# Airbus Service Bulletin A350-21-P032

Copy: No revision named ("A350-21-P032"), 575 pages: PDF https://openairdocs.org/files/sha256/82/83/8283a24b2995aa9b811312d56cb4afce585d0d9a764a45d476b0f665b031f0a3; text https://openairdocs.org/service-documents/airbus/a350-21-p032/file/8283a24b2995.md. Rights: © Airbus S.A.S. Filed by the FAA in regulations.gov docket FAA-2022-1580, the docket of AD 2023-04-07. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Airbus](https://openairdocs.org/service-documents/airbus.md)
- Type: Service bulletin (Service Bulletin)
- Number: A350-21-P032
- Page: https://openairdocs.org/service-documents/airbus/a350-21-p032

## ADs that cite it (1) (OpenAirDocs)

Newest first, with the revision each names, as OpenAirDocs read it from the AD's text.

- [AD 2023-04-07](https://openairdocs.org/ad/2023-04-07.md), effective Apr 10, 2023: No revision named

Also cited in [1 proposed AD](https://openairdocs.org/service-documents/airbus/a350-21-p032/proposed.md).

## Text (575 pages)

Rights: © Airbus S.A.S. Filed by the FAA in regulations.gov docket FAA-2022-1580, the docket of AD 2023-04-07. Not covered by OpenAirDocs’ CC0 dedication. Each page's text from the PDF; open the PDF at a page with #page=N.

### Page 1

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 1
CONF ALL
AIRBUS
2, ROND POINT EMILE DEWOITINE
31700 BLAGNAC
FRANCE
 
The content of this document is the property of Airbus. All rights including copyrights are reserved.
It is supplied in confidence and commercial security on its contents must be maintained.
It must not be used for any purpose other than that for which it is supplied, nor may information
contained in it be disclosed to unauthorized persons.
It must not be reproduced in whole or in part without permission in writing from the owners of the
copyright. Requests for reproduction of any data in this document and the media authorized for it must
be addressed to Airbus.
ATA SYSTEM: 21
TITLE: AIR CONDITIONING - COCKPIT AIR DISTRIBUTION, CONTROL AND
MONITORING - REDUCE COCKPIT NOISE
MODIFICATION No.:
109230L92200
112453L31903
113512L20762
116392L32218

### Page 2

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 2
ATA SYSTEM: 21
TITLE: AIR CONDITIONING - COCKPIT AIR DISTRIBUTION, CONTROL AND
MONITORING - REDUCE COCKPIT NOISE
REVISION TRANSMITTAL SHEET
This page transmits Revision No. 01 of Service Bulletin No. A350-21-P032.
A. ADDITIONAL WORK
Additional work is required by this revision for aircraft modified by the original issue of this
Service Bulletin.
The additional work describes the work necessary to do the surface protection on the
bracket in the FWD cargo compartment, Frame 22 and Frame 24 as per Modification No.
116392L32218 requirements.
Unless otherwise stated by an Airworthiness Directive, AIRBUS recommends the additional
work to be accomplished within one year after the Rev. 01 of this Service Bulletin.
B. REASON
Revision No. 01 issued to:
- Incorporate changes found necessary and carried out during the accomplishment of
this Service Bulletin on aircraft with Manufacturer Serial Number (MSN) 0007-0011 and
0013
- Add Modification No. 116392L32218 to introduce the surface protection between an
aluminum bracket and a strut.
NOTE: This revision satisfies the requirements of the subsequent Repair and Design
Approval Form (RDAF) and/or T echnical Adaptation (TA) issued for the related
Manufacturer Serial Number (MSN)s.
RDAF/TA MSNs
80951144/003/2021 0008
80951144/012/2021 0005-0058, 0060-0064, 0066-0070, 0072-
0087, 0089-0101, 0103-0107, 0109, 0111-
0117, 0119-0124, 0126-0130, 0132-0138,
0140, 0142-0145, 0147-0151, 0153-0155,
0157, 0158
C. CHANGES
CONF 001
SERVICE BULLETIN
SB Title Title updated.
General Sentence updated.
SUMMARY
MODIFICATIONS Modification No. 116392L32218 added and all
associated data.
GENERAL EVALUATION Evaluation table updated without technical impact.
APPLICABILITY Operators updated.
PLANNING INFORMATION
APPLICABILITY Notes added.

### Page 3

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 3
Configuration definition Modification retrofitted sentence updated without any
technical impact.
APPROVAL Sentence updated.
WEIGHT AND BALANCE Sentence updated.
MATERIAL INFORMATION
MATERIAL APPLICABILITY
Material for task set A350-
A-21-XX-P032-01000-93AA-
A Replace the Cockpit and
Avionics Air Distribution Ducts
Referenced tools added.
Referenced consumables added.
Reference parts added.
Material for task set A350-A-
21-XX-P032-02000-93AA-A
Modification - Additional Work
for Aircraft Modified by the
Original Issue of this Service
Bulletin
T ask set added.
TOOLING
Referenced tools for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP references A350-A-50-1X-XX-00ZZZ-170Z-A and
A350-A-50-1X-XX-01ZZZ-170Z-A are added.
CONSUMABLES
Consumables for task set
A350-A-21-XX-P032-02000-
93AA-A Modification -
Additional Work for Aircraft
Modified by the Original Issue
of this Service Bulletin
T ask added.
Referenced consumables
for task set A350-A-21-XX-
P032-01000-93AA-A Replace
the Cockpit and Avionics Air
Distribution Ducts
Sentence added.
MP references A350-A-20-51-50-04ZZZ-25BZ-A, A350-
A-21-2X-XX-00ZZZ-720Z-A, A350-A-25-13-82-00ZZZ-
720Z-A, A350-A-25-81-61-00ZZZ-720Z-A and A350-A-
50-18-61-00ZZZ-720Z-A are added.
LIST OF NEW PARTS
Part kit 21P032A01R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A02R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A03R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A09R00 Material set A09 added.
Referenced parts for task set
A350-A-21-XX-P032-01000-
Sentence added.

### Page 4

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 4
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
MP reference A350-A-25-13-82-00ZZZ-720Z-A is
added.
ACCOMPLISHMENT INSTRUCTIONS
T ask set A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
Note updated.
PREPARATION
A350-A-21-XX-P032-
01001-540A-A Job Set-up
Note updated.
Sentence updated to remove Door.
PROCEDURE
A350-A-21-XX-P032-
07001-520A-A Remove
the Electrical Attachments
in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06001-520A-A Remove the
Ducts in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06001-720A-A Install the
Ducts in the FWD Cargo
Compartment
T ask updated to add CML references 06AAC1,
04QAB2, 04QAC5 and 04DAB2.
T ask updated to remove CML reference 06ACA1.
Figures title updated without any technical impact.
Fig.BM Sol.AA Install the
Ducts in the FWD Cargo
Compartment
Figure updated to add flag notes.
A350-A-21-XX-P032-
07001-720A-A Install the
Electrical Attachments
in the FWD Cargo
Compartment
T ask updated to:
- Modify the CML PN description
- Automatic update of the PN ABS2289A130
description from "L-BRACKET" to "BRACKET-L" without
any technical impact.
Figures title updated without any technical impact.
Fig.BN Sol.AA Install the
Electrical Attachments
in the FWD Cargo
Compartment
Figure updated to correct measurement values.
A350-A-21-XX-P032-
01001-520A-A Remove the
Ducts in the LH Cockpit
and LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
08001-520A-A Remove the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02001-520A-A Remove the
Fixed Attachments in the
Figures title updated without any technical impact.

### Page 5

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 5
LH Cockpit and LH Avionics
Bay
A350-A-21-XX-P032-
03001-520A-A Remove the
Electrical Attachments in
the LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
01001-720A-A Install the
Electrical Attachments in
the LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02001-720A-A Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
Fig.BE Sol.AA Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figure updated to correct measurement values.
A350-A-21-XX-P032-
08001-720A-A Install the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03001-720A-A Install the
Ducts in the LH Cockpit
and LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04001-520A-A Remove the
Ducts in the RH Cockpit
and RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09001-520A-A Remove the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05001-520A-A Remove the
Fixed Attachment in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04001-720A-A Install the
Fixed Attachment in the
RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09001-720A-A Install the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05001-720A-A Install the
Ducts in the RH Cockpit
and RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
CLOSE-UP

### Page 6

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 6
A350-A-21-XX-P032-
02001-740A-A Close-up
Sentence updated to remove Door.
T ask set A350-A-21-XX-P032-02000-
93AA-A Modification - Additional
Work for Aircraft Modified by
the Original Issue of this Service
Bulletin
Additional work added.
CONF 002
SERVICE BULLETIN
SB Title Title updated.
General Sentence updated.
SUMMARY
MODIFICATIONS Modification No. 116392L32218 added and all
associated data.
GENERAL EVALUATION Evaluation table updated without technical impact.
APPLICABILITY Operators updated.
PLANNING INFORMATION
APPLICABILITY Notes added.
Configuration definition Modification retrofitted sentence updated without any
technical impact.
APPROVAL Sentence updated.
WEIGHT AND BALANCE Sentence updated.
MATERIAL INFORMATION
MATERIAL APPLICABILITY
Material for task set A350-
A-21-XX-P032-01000-93AA-
A Replace the Cockpit and
Avionics Air Distribution Ducts
Referenced tools added.
Referenced consumables added.
Reference parts added.
Material for task set A350-A-
21-XX-P032-02000-93AA-A
Modification - Additional Work
for Aircraft Modified by the
Original Issue of this Service
Bulletin
T ask set added.
TOOLING
Referenced tools for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP references A350-A-50-1X-XX-00ZZZ-170Z-A and
A350-A-50-1X-XX-01ZZZ-170Z-A are added.
CONSUMABLES
Consumables for task set
A350-A-21-XX-P032-02000-
93AA-A Modification -
Additional Work for Aircraft
Modified by the Original Issue
of this Service Bulletin
T ask added.

### Page 7

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 7
Referenced consumables
for task set A350-A-21-XX-
P032-01000-93AA-A Replace
the Cockpit and Avionics Air
Distribution Ducts
Sentence added.
MP references A350-A-20-51-50-04ZZZ-25BZ-A, A350-
A-21-2X-XX-00ZZZ-720Z-A, A350-A-25-13-82-00ZZZ-
720Z-A, A350-A-25-81-61-00ZZZ-720Z-A and A350-A-
50-18-61-00ZZZ-720Z-A are added.
LIST OF NEW PARTS
Part kit 21P032A01R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A03R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A04R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A09R00 Material set A09 added.
Referenced parts for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP reference A350-A-25-13-82-00ZZZ-720Z-A is
added.
ACCOMPLISHMENT INSTRUCTIONS
T ask set A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
Note updated.
PREPARATION
A350-A-21-XX-P032-
01001-540A-A Job Set-up
Note updated.
Sentence updated to remove Door.
PROCEDURE
A350-A-21-XX-P032-
07002-520A-A Remove
the Electrical Attachments
in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06002-520A-A Remove the
Ducts in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06002-720A-A Install the
Ducts in the FWD Cargo
Compartment
T ask updated to add CML references 06AAC1,
04QAB2, 04QAC5 and 04DAB2.
T ask updated to remove CML reference 06ACA1.
Figures title updated without any technical impact.
Fig.BM Sol.AA Install the
Ducts in the FWD Cargo
Compartment
Figure updated to add flag notes.

### Page 8

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 8
A350-A-21-XX-P032-
07002-720A-A Install the
Electrical Attachments
in the FWD Cargo
Compartment
T ask updated to:
- Modify the CML PN description
- Automatic update of the PN ABS2289A130
description from "L-BRACKET" to "BRACKET-L" without
any technical impact.
Figures title updated without any technical impact.
Fig.BN Sol.AA Install the
Electrical Attachments
in the FWD Cargo
Compartment
Figure updated to correct measurement values.
A350-A-21-XX-P032-
01002-520A-A Remove the
Ducts in the LH Cockpit
and LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
08002-520A-A Remove the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02001-520A-A Remove the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03002-520A-A Remove the
Electrical Attachments in
the LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
01002-720A-A Install the
Electrical Attachments in
the LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02002-720A-A Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
Fig.BE Sol.AA Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figure updated to correct measurement values.
A350-A-21-XX-P032-
08002-720A-A Install the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03002-720A-A Install the
Ducts in the LH Cockpit
and LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04002-520A-A Remove the
Figures title updated without any technical impact.

### Page 9

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 9
Ducts in the RH Cockpit
and RH Avionics Bay
A350-A-21-XX-P032-
09002-520A-A Remove the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05001-520A-A Remove the
Fixed Attachment in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04001-720A-A Install the
Fixed Attachment in the
RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09002-720A-A Install the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05002-720A-A Install the
Ducts in the RH Cockpit
and RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
CLOSE-UP
A350-A-21-XX-P032-
02001-740A-A Close-up
Sentence updated to remove Door.
T ask set A350-A-21-XX-P032-02000-
93AA-A Modification - Additional
Work for Aircraft Modified by
the Original Issue of this Service
Bulletin
Additional work added.
CONF 003
SERVICE BULLETIN
SB Title Title updated.
General Sentence updated.
SUMMARY
MODIFICATIONS Modification No. 116392L32218 added and all
associated data.
GENERAL EVALUATION Evaluation table updated without technical impact.
APPLICABILITY Operators updated.
PLANNING INFORMATION
APPLICABILITY Notes added.
Configuration definition Modification retrofitted sentence updated without any
technical impact.
APPROVAL Sentence updated.
WEIGHT AND BALANCE Sentence updated.
MATERIAL INFORMATION
MATERIAL APPLICABILITY

### Page 10

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 10
Material for task set A350-
A-21-XX-P032-01000-93AA-
A Replace the Cockpit and
Avionics Air Distribution Ducts
Referenced tools added.
Referenced consumables added.
Reference parts added.
Material for task set A350-A-
21-XX-P032-02000-93AA-A
Modification - Additional Work
for Aircraft Modified by the
Original Issue of this Service
Bulletin
T ask set added.
TOOLING
Referenced tools for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP references A350-A-50-1X-XX-00ZZZ-170Z-A and
A350-A-50-1X-XX-01ZZZ-170Z-A are added.
CONSUMABLES
Consumables for task set
A350-A-21-XX-P032-02000-
93AA-A Modification -
Additional Work for Aircraft
Modified by the Original Issue
of this Service Bulletin
T ask added.
Referenced consumables
for task set A350-A-21-XX-
P032-01000-93AA-A Replace
the Cockpit and Avionics Air
Distribution Ducts
Sentence added.
MP references A350-A-20-51-50-04ZZZ-25BZ-A, A350-
A-21-2X-XX-00ZZZ-720Z-A, A350-A-25-13-82-00ZZZ-
720Z-A, A350-A-25-81-61-00ZZZ-720Z-A and A350-A-
50-18-61-00ZZZ-720Z-A are added.
LIST OF NEW PARTS
Part kit 21P032A05R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A06R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A07R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A09R00 Material set A09 added.
Referenced parts for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP reference A350-A-25-13-82-00ZZZ-720Z-A is
added.
ACCOMPLISHMENT INSTRUCTIONS
T ask set A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
Note updated.

### Page 11

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 11
PREPARATION
A350-A-21-XX-P032-
01001-540A-A Job Set-up
Note updated.
Sentence updated to remove Door.
PROCEDURE
A350-A-21-XX-P032-
06003-520A-A Remove the
Ducts in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06003-720A-A Install the
Ducts in the FWD Cargo
Compartment
T ask updated to add CML references 06AAC1,
04QAB2, 04QAC5 and 04DAB2.
T ask updated to remove CML reference 06ACA1.
Figures title updated without any technical impact.
Fig.BM Sol.AA Install the
Ducts in the FWD Cargo
Compartment
Figure updated to add flag notes.
A350-A-21-XX-P032-
01003-520A-A Remove the
Ducts in the LH Cockpit
and LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
08003-520A-A Remove the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02001-520A-A Remove the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03003-520A-A Remove the
Electrical Attachments in
the LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
01003-720A-A Install the
Electrical Attachments in
the LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02003-720A-A Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
Fig.BE Sol.AA Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figure updated to correct measurement values.
A350-A-21-XX-P032-
08003-720A-A Install the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.

### Page 12

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 12
A350-A-21-XX-P032-
03003-720A-A Install the
Ducts in the LH Cockpit
and LH Avionics Bay
T ask updated to modify the CML PN description.
A350-A-21-XX-P032-
04003-520A-A Remove the
Ducts in the RH Cockpit
and RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09003-520A-A Remove the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05001-520A-A Remove the
Fixed Attachment in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04002-720A-A Install the
Fixed Attachment in the
RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09003-720A-A Install the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05003-720A-A Install the
Ducts in the RH Cockpit
and RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
CLOSE-UP
A350-A-21-XX-P032-
02001-740A-A Close-up
Sentence updated to remove Door.
T ask set A350-A-21-XX-P032-02000-
93AA-A Modification - Additional
Work for Aircraft Modified by
the Original Issue of this Service
Bulletin
Additional work added.
CONF 004
SERVICE BULLETIN
SB Title Title updated.
General Sentence updated.
SUMMARY
MODIFICATIONS Modification No. 116392L32218 added and all
associated data.
GENERAL EVALUATION Evaluation table updated without technical impact.
APPLICABILITY Operators updated.
PLANNING INFORMATION
APPLICABILITY Notes added.
Configuration definition Modification retrofitted sentence updated without any
technical impact.

### Page 13

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 13
APPROVAL Sentence updated.
WEIGHT AND BALANCE Sentence updated.
MATERIAL INFORMATION
MATERIAL APPLICABILITY
Material for task set A350-
A-21-XX-P032-01000-93AA-
A Replace the Cockpit and
Avionics Air Distribution Ducts
Referenced tools added.
Referenced consumables added.
Reference parts added.
Material for task set A350-A-
21-XX-P032-02000-93AA-A
Modification - Additional Work
for Aircraft Modified by the
Original Issue of this Service
Bulletin
T ask set added.
TOOLING
Referenced tools for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP references A350-A-50-1X-XX-00ZZZ-170Z-A and
A350-A-50-1X-XX-01ZZZ-170Z-A are added.
CONSUMABLES
Consumables for task set
A350-A-21-XX-P032-02000-
93AA-A Modification -
Additional Work for Aircraft
Modified by the Original Issue
of this Service Bulletin
T ask added.
Referenced consumables
for task set A350-A-21-XX-
P032-01000-93AA-A Replace
the Cockpit and Avionics Air
Distribution Ducts
Sentence added.
MP references A350-A-20-51-50-04ZZZ-25BZ-A, A350-
A-21-2X-XX-00ZZZ-720Z-A, A350-A-25-13-82-00ZZZ-
720Z-A, A350-A-25-81-61-00ZZZ-720Z-A and A350-A-
50-18-61-00ZZZ-720Z-A are added.
LIST OF NEW PARTS
Part kit 21P032A05R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A06R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A07R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A09R00 Material set A09 added.
Referenced parts for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
Sentence added.
MP reference A350-A-25-13-82-00ZZZ-720Z-A is
added.

### Page 14

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 14
and Avionics Air Distribution
Ducts
ACCOMPLISHMENT INSTRUCTIONS
T ask set A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
Note updated.
PREPARATION
A350-A-21-XX-P032-
01001-540A-A Job Set-up
Note updated.
Sentence updated to remove Door.
PROCEDURE
A350-A-21-XX-P032-
06004-520A-A Remove the
Ducts in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06004-720A-A Install the
Ducts in the FWD Cargo
Compartment
T ask updated to add CML references 06AAC1,
04QAB2, 04QAC5 and 04DAB2.
T ask updated to remove CML reference 06ACA1.
Figures title updated without any technical impact.
Fig.BM Sol.AA Install the
Ducts in the FWD Cargo
Compartment
Figure updated to add flag notes.
A350-A-21-XX-P032-
01004-520A-A Remove the
Ducts in the LH Cockpit
and LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
08004-520A-A Remove the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02001-520A-A Remove the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03004-520A-A Remove the
Electrical Attachments in
the LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
01004-720A-A Install the
Electrical Attachments in
the LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02003-720A-A Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
Fig.BE Sol.AA Install the
Fixed Attachments in the
Figure updated to correct measurement values.

### Page 15

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 15
LH Cockpit and LH Avionics
Bay
A350-A-21-XX-P032-
08004-720A-A Install the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03004-720A-A Install the
Ducts in the LH Cockpit
and LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04004-520A-A Remove the
Ducts in the RH Cockpit
and RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09004-520A-A Remove the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05001-520A-A Remove the
Fixed Attachment in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04002-720A-A Install the
Fixed Attachment in the
RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09004-720A-A Install the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05004-720A-A Install the
Ducts in the RH Cockpit
and RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
CLOSE-UP
A350-A-21-XX-P032-
02001-740A-A Close-up
Sentence updated to remove Door.
T ask set A350-A-21-XX-P032-02000-
93AA-A Modification - Additional
Work for Aircraft Modified by
the Original Issue of this Service
Bulletin
Additional work added.
CONF 005
SERVICE BULLETIN
SB Title Title updated.
General Sentence updated.
SUMMARY
MODIFICATIONS Modification No. 116392L32218 added and all
associated data.
GENERAL EVALUATION Evaluation table updated without technical impact.

### Page 16

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 16
APPLICABILITY Operators updated.
PLANNING INFORMATION
APPLICABILITY Notes added.
Configuration definition Modification retrofitted sentence updated without any
technical impact.
APPROVAL Sentence updated.
WEIGHT AND BALANCE Sentence updated.
MATERIAL INFORMATION
MATERIAL APPLICABILITY
Material for task set A350-
A-21-XX-P032-01000-93AA-
A Replace the Cockpit and
Avionics Air Distribution Ducts
Referenced tools added.
Referenced consumables added.
Reference parts added.
Material for task set A350-A-
21-XX-P032-02000-93AA-A
Modification - Additional Work
for Aircraft Modified by the
Original Issue of this Service
Bulletin
T ask set added.
TOOLING
Referenced tools for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP references A350-A-50-1X-XX-00ZZZ-170Z-A and
A350-A-50-1X-XX-01ZZZ-170Z-A are added.
CONSUMABLES
Consumables for task set
A350-A-21-XX-P032-02000-
93AA-A Modification -
Additional Work for Aircraft
Modified by the Original Issue
of this Service Bulletin
T ask added.
Referenced consumables
for task set A350-A-21-XX-
P032-01000-93AA-A Replace
the Cockpit and Avionics Air
Distribution Ducts
Sentence added.
MP references A350-A-20-51-50-04ZZZ-25BZ-A, A350-
A-21-2X-XX-00ZZZ-720Z-A, A350-A-25-13-82-00ZZZ-
720Z-A, A350-A-25-81-61-00ZZZ-720Z-A and A350-A-
50-18-61-00ZZZ-720Z-A are added.
LIST OF NEW PARTS
Part kit 21P032A06R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A07R00 Address updated.
Notes updated.
Cost updated.
Part kit 21P032A08R00 Address updated.
Notes updated.
Cost updated.

### Page 17

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 17
Part kit 21P032A09R00 Material set A09 added.
Referenced parts for task set
A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit
and Avionics Air Distribution
Ducts
Sentence added.
MP reference A350-A-25-13-82-00ZZZ-720Z-A is
added.
ACCOMPLISHMENT INSTRUCTIONS
T ask set A350-A-21-XX-P032-01000-
93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
Note updated.
PREPARATION
A350-A-21-XX-P032-
01001-540A-A Job Set-up
Note updated.
Sentence updated to remove Door.
PROCEDURE
A350-A-21-XX-P032-
07004-520A-A Remove
the Electrical Attachments
in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06005-520A-A Remove the
Ducts in the FWD Cargo
Compartment
Figures title updated without any technical impact.
A350-A-21-XX-P032-
06005-720A-A Install the
Ducts in the FWD Cargo
Compartment
T ask updated to add CML references 06AAC1,
04QAB2, 04QAC5 and 04DAB2.
T ask updated to remove CML reference 06ACA1.
Figures title updated without any technical impact.
Fig.BM Sol.AA Install the
Ducts in the FWD Cargo
Compartment
Figure updated to add flag notes.
A350-A-21-XX-P032-
07004-720A-A Install the
Electrical Attachments
in the FWD Cargo
Compartment
T ask updated to:
- Modify the CML PN description
- Automatic update of the PN ABS2289A130
description from "L-BRACKET" to "BRACKET-L" without
any technical impact.
Figures title updated without any technical impact.
Fig.BN Sol.AC Install the
Electrical Attachments
in the FWD Cargo
Compartment
Figure updated to correct measurement values.
A350-A-21-XX-P032-
01005-520A-A Remove the
Ducts in the LH Cockpit
and LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
08005-520A-A Remove the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.

### Page 18

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 18
A350-A-21-XX-P032-
02001-520A-A Remove the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03005-520A-A Remove the
Electrical Attachments in
the LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
01005-720A-A Install the
Electrical Attachments in
the LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
02003-720A-A Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
Fig.BE Sol.AA Install the
Fixed Attachments in the
LH Cockpit and LH Avionics
Bay
Figure updated to correct measurement values.
A350-A-21-XX-P032-
08005-720A-A Install the
Insulation Blankets in the
LH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
03005-720A-A Install the
Ducts in the LH Cockpit
and LH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04005-520A-A Remove the
Ducts in the RH Cockpit
and RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09005-520A-A Remove the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05001-520A-A Remove the
Fixed Attachment in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
04002-720A-A Install the
Fixed Attachment in the
RH Avionics Bay
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.
A350-A-21-XX-P032-
09005-720A-A Install the
Insulation Blankets in the
RH Avionics Bay
Figures title updated without any technical impact.
A350-A-21-XX-P032-
05005-720A-A Install the
T ask updated to modify the CML PN description.
Figures title updated without any technical impact.

### Page 19

A350
SERVICE BULLETIN
REVISION TRANSMITTAL SHEET
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 19
Ducts in the RH Cockpit
and RH Avionics Bay
CLOSE-UP
A350-A-21-XX-P032-
02001-740A-A Close-up
Sentence updated to remove Door.
T ask set A350-A-21-XX-P032-02000-
93AA-A Modification - Additional
Work for Aircraft Modified by
the Original Issue of this Service
Bulletin
Additional work added.
CONF ALL
D. FILING INSTRUCTIONS
This Service Bulletin has been generated electronically and is reissued as a complete
document. Replace the complete document.
Put this Revision Transmittal Sheet in front of the Service Bulletin.
E. HISTORY OF PREVIOUS REVISIONS
No previous revision
F. REVISION SEQUENCE
ORIGINAL: May 02/19
REVISION No. : 01 - Mar 02/22

### Page 20

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 20
ATA SYSTEM: 21
TITLE: AIR CONDITIONING - COCKPIT AIR DISTRIBUTION, CONTROL AND
MONITORING - REDUCE COCKPIT NOISE
SUMMARY
This summary is for information only and is not approved for modification of the aircraft.
A. MODIFICATIONS
CONF 001
MODIFICATION CLASSIFICATION
MAJOR None
MINOR 109230L92200 112453L31903 113512L20762 116392L32218
NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the
mass, balance, structural strength, reliability, operational characteristics affecting
the airworthiness of the product. All other changes are major changes.
CONF 002
MODIFICATION CLASSIFICATION
MAJOR None
MINOR 109230L92200 112453L31903 113512L20762 116392L32218
NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the
mass, balance, structural strength, reliability, operational characteristics affecting
the airworthiness of the product. All other changes are major changes.
CONF 003
MODIFICATION CLASSIFICATION
MAJOR None
MINOR 109230L92200 112453L31903 113512L20762 116392L32218
NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the
mass, balance, structural strength, reliability, operational characteristics affecting
the airworthiness of the product. All other changes are major changes.
CONF 004
MODIFICATION CLASSIFICATION
MAJOR None
MINOR 109230L92200 112453L31903 113512L20762 116392L32218
NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the
mass, balance, structural strength, reliability, operational characteristics affecting
the airworthiness of the product. All other changes are major changes.
CONF 005
MODIFICATION CLASSIFICATION
MAJOR None
MINOR 109230L92200 112453L31903 113512L20762 116392L32218

### Page 21

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 21
NOTE: As per EASA IR 21, a minor change is one that has no appreciable effect on the
mass, balance, structural strength, reliability, operational characteristics affecting
the airworthiness of the product. All other changes are major changes.
CONF ALL
B. REASON
(1) History
During routine flights it was found that the noise level in the cockpit is high.
(2) Objective/Action
This Service Bulletin is issued to meet the customer noise requirements. Changes
on Ventilation System and Avionics Equipment Ventilation System are introduced to
reduce the noise in the cockpit.
(3) Advantages
Accomplishment of the Service Bulletin will improve the communication and the
working conditions in the cockpit.
(4) Operational/Maintenance Consequences
None
C. GENERAL EVALUATION
EVALUATION TABLE
COMPLIANCE DESIRABLE COST SAVING NO
A/C OPERATION
AFFECTED
NO VENDOR SB NO
CANCELS INSPECTION SB NO ETOPS AFFECTED NO
PAX COMFORT AFFECTED NO POTENTIAL AD YES
RELIABILITY AFFECTED NO STRUCTURAL LIFE EXTENSION NO
LIFE LIMIT NO LINE MAINTENANCE AFFECTED NO
VALIDATION ON AIRCRAFT NO BOOKLET AVAILABLE NO
NOTE: Service Bulletin to introduce improvements.
D. MAINTENANCE CONFIGURATION
CONF 001
No specific aircraft maintenance configuration required.
CONF 002
No specific aircraft maintenance configuration required.
CONF 003
No specific aircraft maintenance configuration required.
CONF 004
No specific aircraft maintenance configuration required.
CONF 005
No specific aircraft maintenance configuration required.
CONF ALL
E. MATERIAL PRICE INFORMATION
CONF 001

### Page 22

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 22
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A01R00 1 22500.00 USD Muffler, Bracket, Traverse,
Mount, Sleeve, Bolt, Nut,
Spacer
Part kit 21P032A02R00 1 28500.00 USD Duct,Ramp, Bracket, Blanket,
Clamp, Tie, Bolt, Washer, Rivet
Part kit 21P032A03R00 1 13000.00 USD Duct, Bracket, Blanket, Clamp,
Tie, Bolt, Washer, Rivet
TOTAL   64000.00 USD  
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A09R00 1 1300.00 USD Brackets, fasteners
CONF 002
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A01R00 1 22500.00 USD Muffler, Bracket, Traverse,
Mount, Sleeve, Bolt, Nut,
Spacer
Part kit 21P032A03R00 1 13000.00 USD Duct, Bracket, Blanket, Clamp,
Tie, Bolt, Washer, Rivet
Part kit 21P032A04R00 1 28500.00 USD Duct,Ramp, Bracket, Blanket,
Clamp, Tie, Bolt, Washer, Rivet
TOTAL   64000.00 USD  
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin

### Page 23

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 23
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A09R00 1 1300.00 USD Brackets, fasteners
CONF 003
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A05R00 1 22000.00 USD Muffler, Bracket, Sleeve, Bolt,
Washer, Tie
Part kit 21P032A06R00 1 28500.00 USD Duct,Ramp, Bracket, Blanket,
Clamp, Tie, Bolt, Washer, Rivet
Part kit 21P032A07R00 1 12500.00 USD Duct, Bracket, Blanket, Clamp,
Tie, Bolt, Washer, Rivet
TOTAL   63000.00 USD  
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A09R00 1 1300.00 USD Brackets, fasteners
CONF 004
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A05R00 1 22000.00 USD Muffler, Bracket, Sleeve, Bolt,
Washer, Tie
Part kit 21P032A06R00 1 28500.00 USD Duct,Ramp, Bracket, Blanket,
Clamp, Tie, Bolt, Washer, Rivet
Part kit 21P032A07R00 1 12500.00 USD Duct, Bracket, Blanket, Clamp,
Tie, Bolt, Washer, Rivet
TOTAL   63000.00 USD

### Page 24

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 24
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A09R00 1 1300.00 USD Brackets, fasteners
CONF 005
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A06R00 1 28500.00 USD Duct,Ramp, Bracket, Blanket,
Clamp, Tie, Bolt, Washer, Rivet
Part kit 21P032A07R00 1 12500.00 USD Duct, Bracket, Blanket, Clamp,
Tie, Bolt, Washer, Rivet
Part kit 21P032A08R00 1 22500.00 USD Muffler, Bracket, Traverse,
Sleeve, Bolt, Nut, Spacer
TOTAL   63500.00 USD  
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL PRICE INFORMATION TABLE
MATERIAL SET QTYPER A/C PRICE PER A/C MAIN PARTS
Part kit 21P032A09R00 1 1300.00 USD Brackets, fasteners
CONF ALL
F. APPLICABILITY
This Service Bulletin is applicable to this (these) operator(s):
36V AAR AZU CAL CHH CPA CSC DAL DLH ETH FBU FIN FWI HVN MAU QTR SIA THA
G. CONCURRENT REQUIREMENTS
None
H. NATURE OF THE WORK
CONF 001
(1) Replace the Cockpit and Avionics Air Distribution Ducts

### Page 25

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 25
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT YES
EQUIPMENT NO
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT YES
EQUIPMENT NO
CONF 002
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT YES
EQUIPMENT NO
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT YES
EQUIPMENT NO
CONF 003
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT YES
EQUIPMENT NO
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT YES
EQUIPMENT NO
CONF 004
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT YES
EQUIPMENT NO

### Page 26

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 26
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT YES
EQUIPMENT NO
CONF 005
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT YES
EQUIPMENT NO
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT YES
EQUIPMENT NO
CONF ALL
I. MANPOWER
CONF 001
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MANPOWER
TOTAL MAN-HOURS 28.00 h
ELAPSED TIME (HOURS) 10.75 h
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MANPOWER
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 002
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MANPOWER
TOTAL MAN-HOURS 28.00 h

### Page 27

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 27
MANPOWER
ELAPSED TIME (HOURS) 10.75 h
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MANPOWER
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 003
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MANPOWER
TOTAL MAN-HOURS 26.50 h
ELAPSED TIME (HOURS) 10.75 h
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MANPOWER
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 004
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MANPOWER
TOTAL MAN-HOURS 26.50 h
ELAPSED TIME (HOURS) 10.75 h
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MANPOWER
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 005
(1) Replace the Cockpit and Avionics Air Distribution Ducts

### Page 28

A350
SERVICE BULLETIN
SUMMARY
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 28
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
MANPOWER
TOTAL MAN-HOURS 28.00 h
ELAPSED TIME (HOURS) 10.75 h
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
MANPOWER
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h

### Page 29

A350
SERVICE BULLETIN
SUMMARY
Figure ICN-A350-A-21XXP032-A-FAPE3-04MOU-A-001-01 Fig.SA Sol.AA SHEET 1/1
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22
General overview
Page 29
CONF ALL
J. GENERAL OVERVIEW
CONF ALL
FR11
FR18
FR1
FR8
Z120
Z210
Z130
FR29
REPLACE THE DUCTS IN THE
FWD CARGO COMPARTMENT
FWD CARGO
COMPARTMENT DOOR
REPLACE THE DUCTS IN THE
LH COCKPIT AND LH AVIONICS BAY
REPLACE THE DUCTS IN THE
RH COCKPIT AND RH AVIONICS BAY
ICN-A350-A-21XXP032-A-FAPE3-04MOU-A-001-01

### Page 30

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 30
ATA SYSTEM: 21
TITLE: AIR CONDITIONING - COCKPIT AIR DISTRIBUTION, CONTROL AND
MONITORING - REDUCE COCKPIT NOISE
1. PLANNING INFORMATION
A. APPLICABILITY
NOTE: Modification No. 109230L92200 is embodied before delivery on aircraft with
Manufacturer Serial Number (MSN) 0146, 0159 and subsequent.
NOTE: Modification No. 113512L20762 is applicable by Service Bulletin only.
NOTE: Modification No. 116392L32218 is embodied before delivery on aircraft with
Manufacturer Serial Number (MSN) 0485 and subsequent.
(1) Models
ON A/C 0005-0058, 0060-0064, 0066-0070, 0072-0087, 0089-0101, 0103-0107, 0109, 0111-
0117, 0119-0124, 0126-0130, 0132-0138, 0140, 0142-0145, 0147-0151, 0153-0155, 0157,
0158
350-941
CONF ALL
(2) Applicability by MSN
0005-0058 0060-0064 0066-0070 0072-0087 0089-0101 0103-0107 0109 0111-0117
0119-0124 0126-0130 0132-0138 0140 0142-0145 0147-0151 0153-0155 0157 0158
(3) MSN by configuration
CONF 001
MSN CONFIGURATION
0005 0007 0008 0009 0010 0011 0012 0013 0014 0015 0016
0017 0018 0019 0020
001
CONF 002
MSN CONFIGURATION
0006 002
CONF 003
MSN CONFIGURATION
0021 0022 0023 0024 0025 0026 0027 0028 0029 0030 0031
0032 0033 0034 0035 0036 0037 0038 0039 0040 0041 0042
0043 0044 0045 0046 0047 0048 0049 0050 0051 0052 0053
0054 0055 0056 0057 0058 0060 0061 0062 0063
003
CONF 004
MSN CONFIGURATION
0064 0066 0067 0068 0069 0070 0072 0073 0074 0075 0076
0077 0078 0079 0080 0081 0082 0083 0084 0085 0086 0087
0089 0090 0091 0092 0093 0094 0095 0096 0097
004
CONF 005

### Page 31

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 31
MSN CONFIGURATION
0098 0099 0100 0101 0103 0104 0105 0106 0107 0109 0111
0112 0113 0114 0115 0116 0117 0119 0120 0121 0122 0123
0124 0126 0127 0128 0129 0130 0132 0133 0134 0135 0136
0137 0138 0140 0142 0143 0144 0145 0147 0148 0149 0150
0151 0153 0154 0155 0157 0158
005
CONF ALL
(4) Configuration definition
CONF 001
Configuration 001
CONF 001 regards the specific PRE-SB status of the related aircraft.
CONF 001 retrofits following modifications: 109230L92200, 112453L31903,
113512L20762, 116392L32218.
CONF 002
Configuration 002
CONF 002 regards the specific PRE-SB status of the related aircraft.
CONF 002 retrofits following modifications: 109230L92200, 112453L31903,
113512L20762, 116392L32218.
CONF 003
Configuration 003
CONF 003 regards the specific PRE-SB status of the related aircraft.
CONF 003 retrofits following modifications: 109230L92200, 112453L31903,
113512L20762, 116392L32218.
CONF 004
Configuration 004
CONF 004 regards the specific PRE-SB status of the related aircraft.
CONF 004 retrofits following modifications: 109230L92200, 112453L31903,
113512L20762, 116392L32218.
CONF 005
Configuration 005
CONF 005 regards the specific PRE-SB status of the related aircraft.
CONF 005 retrofits following modifications: 109230L92200, 112453L31903,
113512L20762, 116392L32218.
CONF ALL
B. CONCURRENT REQUIREMENTS
None
C. REASON
(1) History
During routine flights it was found that the noise level in the cockpit is high.
(2) Objective/Action
This Service Bulletin is issued to meet the customer noise requirements. Changes
on Ventilation System and Avionics Equipment Ventilation System are introduced to
reduce the noise in the cockpit.

### Page 32

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 32
(3) Advantages
Accomplishment of the Service Bulletin will improve the communication and the
working conditions in the cockpit.
(4) Operational/Maintenance Consequences
None
D. DESCRIPTION
T o accomplish this Service Bulletin it is necessary to:
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
CONF 001
1 Remove the Electrical Attachments in the FWD Cargo Compartment
CONF 002
1 Remove the Electrical Attachments in the FWD Cargo Compartment
CONF 005
1 Remove the Electrical Attachments in the FWD Cargo Compartment
CONF 001
2 Remove the Ducts in the FWD Cargo Compartment
CONF 002
2 Remove the Ducts in the FWD Cargo Compartment
CONF 003
2 Remove the Ducts in the FWD Cargo Compartment
CONF 004
2 Remove the Ducts in the FWD Cargo Compartment
CONF 005
2 Remove the Ducts in the FWD Cargo Compartment
CONF 001
3 Install the Ducts in the FWD Cargo Compartment
CONF 002
3 Install the Ducts in the FWD Cargo Compartment
CONF 003
3 Install the Ducts in the FWD Cargo Compartment
CONF 004
3 Install the Ducts in the FWD Cargo Compartment
CONF 005
3 Install the Ducts in the FWD Cargo Compartment
CONF 001
4 Install the Electrical Attachments in the FWD Cargo Compartment
CONF 002
4 Install the Electrical Attachments in the FWD Cargo Compartment
CONF 005
4 Install the Electrical Attachments in the FWD Cargo Compartment
CONF 001
5 Remove the Ducts in the LH Cockpit and LH Avionics Bay

### Page 33

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 33
CONF 002
5 Remove the Ducts in the LH Cockpit and LH Avionics Bay
CONF 003
5 Remove the Ducts in the LH Cockpit and LH Avionics Bay
CONF 004
5 Remove the Ducts in the LH Cockpit and LH Avionics Bay
CONF 005
5 Remove the Ducts in the LH Cockpit and LH Avionics Bay
CONF 001
6 Remove the Insulation Blankets in the LH Avionics Bay
CONF 002
6 Remove the Insulation Blankets in the LH Avionics Bay
CONF 003
6 Remove the Insulation Blankets in the LH Avionics Bay
CONF 004
6 Remove the Insulation Blankets in the LH Avionics Bay
CONF 005
6 Remove the Insulation Blankets in the LH Avionics Bay
CONF ALL
7 Remove the Fixed Attachments in the LH Cockpit and LH Avionics Bay
CONF 001
8 Remove the Electrical Attachments in the LH Avionics Bay
CONF 002
8 Remove the Electrical Attachments in the LH Avionics Bay
CONF 003
8 Remove the Electrical Attachments in the LH Avionics Bay
CONF 004
8 Remove the Electrical Attachments in the LH Avionics Bay
CONF 005
8 Remove the Electrical Attachments in the LH Avionics Bay
CONF 001
9 Install the Electrical Attachments in the LH Avionics Bay
CONF 002
9 Install the Electrical Attachments in the LH Avionics Bay
CONF 003
9 Install the Electrical Attachments in the LH Avionics Bay
CONF 004
9 Install the Electrical Attachments in the LH Avionics Bay
CONF 005
9 Install the Electrical Attachments in the LH Avionics Bay
CONF 001
10 Install the Fixed Attachments in the LH Cockpit and LH Avionics Bay
CONF 002
10 Install the Fixed Attachments in the LH Cockpit and LH Avionics Bay
CONF 003-005

### Page 34

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 34
10 Install the Fixed Attachments in the LH Cockpit and LH Avionics Bay
CONF 001
11 Install the Insulation Blankets in the LH Avionics Bay
CONF 002
11 Install the Insulation Blankets in the LH Avionics Bay
CONF 003
11 Install the Insulation Blankets in the LH Avionics Bay
CONF 004
11 Install the Insulation Blankets in the LH Avionics Bay
CONF 005
11 Install the Insulation Blankets in the LH Avionics Bay
CONF 001
12 Install the Ducts in the LH Cockpit and LH Avionics Bay
CONF 002
12 Install the Ducts in the LH Cockpit and LH Avionics Bay
CONF 003
12 Install the Ducts in the LH Cockpit and LH Avionics Bay
CONF 004
12 Install the Ducts in the LH Cockpit and LH Avionics Bay
CONF 005
12 Install the Ducts in the LH Cockpit and LH Avionics Bay
CONF 001
13 Remove the Ducts in the RH Cockpit and RH Avionics Bay
CONF 002
13 Remove the Ducts in the RH Cockpit and RH Avionics Bay
CONF 003
13 Remove the Ducts in the RH Cockpit and RH Avionics Bay
CONF 004
13 Remove the Ducts in the RH Cockpit and RH Avionics Bay
CONF 005
13 Remove the Ducts in the RH Cockpit and RH Avionics Bay
CONF 001
14 Remove the Insulation Blankets in the RH Avionics Bay
CONF 002
14 Remove the Insulation Blankets in the RH Avionics Bay
CONF 003
14 Remove the Insulation Blankets in the RH Avionics Bay
CONF 004
14 Remove the Insulation Blankets in the RH Avionics Bay
CONF 005
14 Remove the Insulation Blankets in the RH Avionics Bay
CONF ALL
15 Remove the Fixed Attachment in the RH Avionics Bay
CONF 001 002
16 Install the Fixed Attachment in the RH Avionics Bay

### Page 35

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 35
CONF 003-005
16 Install the Fixed Attachment in the RH Avionics Bay
CONF 001
17 Install the Insulation Blankets in the RH Avionics Bay
CONF 002
17 Install the Insulation Blankets in the RH Avionics Bay
CONF 003
17 Install the Insulation Blankets in the RH Avionics Bay
CONF 004
17 Install the Insulation Blankets in the RH Avionics Bay
CONF 005
17 Install the Insulation Blankets in the RH Avionics Bay
CONF 001
18 Install the Ducts in the RH Cockpit and RH Avionics Bay
CONF 002
18 Install the Ducts in the RH Cockpit and RH Avionics Bay
CONF 003
18 Install the Ducts in the RH Cockpit and RH Avionics Bay
CONF 004
18 Install the Ducts in the RH Cockpit and RH Avionics Bay
CONF 005
18 Install the Ducts in the RH Cockpit and RH Avionics Bay
CONF ALL
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
1 Remove the Brackets from the FWD Cargo Compartment
2 Install the Brackets in the FWD Cargo Compartment
E. COMPLIANCE
(1) Classification
DESIRABLE: Service Bulletin to introduce improvements.
(2) Accomplishment Timescale
In accordance with operators' maintenance schedule.
F. APPROVAL
The technical content of this document is approved under the authority of the Design
Organisation Approval ref. EASA.21J.031.
If an aircraft listed in the applicability has a modification or repair embodied that is not
of AIRBUS origin, and which affects the content of this Service Bulletin, the operator
is responsible for obtaining approval by its airworthiness authority for any adaptation
necessary before incorporation of the Service Bulletin.
G. MANPOWER
CONF 001

### Page 36

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 36
The manpower estimates given in this Service Bulletin are based on the direct labor cost to
do the work. These estimates assume that the work will be done by experienced personnel,
and may need to be revised upwards to suit operator’s circumstances. The estimates do not
include the time to prepare, plan or inspect the work. Manufacture and procurement of parts
and tools, drying times for paints, sealants, etc., and general administration work are also
not included.
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
PREPARATION
Job Set-up 0.75 h
Get access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Get access to the Air Distribution System in the FWD Cargo
Compartment
2.00 h
PROCEDURE
Remove the Electrical Attachments in the FWD Cargo
Compartment
0.50 h
Remove the Ducts in the FWD Cargo Compartment 1.00 h
Install the Ducts in the FWD Cargo Compartment 1.00 h
Install the Electrical Attachments in the FWD Cargo
Compartment
1.00 h
Remove the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Insulation Blankets in the LH Avionics Bay 0.50 h
Remove the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
0.50 h
Remove the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
1.00 h
Install the Insulation Blankets in the LH Avionics Bay 0.50 h
Install the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
Remove the Insulation Blankets in the RH Avionics Bay 0.50 h
Remove the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Insulation Blankets in the RH Avionics Bay 0.50 h
Install the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
PREPARATION FOR TEST
None
TEST
T est 1.00 h
CLOSE-UP
Close access to the Air Distribution System in the FWD
Cargo Compartment
2.00 h

### Page 37

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 37
Close access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Close-up 0.75 h
TOTAL MAN-HOURS 28.00 h
ELAPSED TIME (HOURS) 10.75 h
NOTE: For an explanation of the man-hours and elapsed time, refer to the
Gantt Chart given in Appendix MANPOWER GANTT CHART.
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
PREPARATION
Job Set-up 3.00 h
PROCEDURE
Remove the Brackets from the FWD Cargo Compartment 0.75 h
Install the Brackets in the FWD Cargo Compartment 1.25 h
PREPARATION FOR TEST
None
TEST
None
CLOSE-UP
Close-up 3.00 h
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 002
The manpower estimates given in this Service Bulletin are based on the direct labor cost to
do the work. These estimates assume that the work will be done by experienced personnel,
and may need to be revised upwards to suit operator’s circumstances. The estimates do not
include the time to prepare, plan or inspect the work. Manufacture and procurement of parts
and tools, drying times for paints, sealants, etc., and general administration work are also
not included.
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
PREPARATION
Job Set-up 0.75 h
Get access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Get access to the Air Distribution System in the FWD Cargo
Compartment
2.00 h
PROCEDURE
Remove the Electrical Attachments in the FWD Cargo
Compartment
0.50 h
Remove the Ducts in the FWD Cargo Compartment 1.00 h

### Page 38

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 38
Install the Ducts in the FWD Cargo Compartment 1.00 h
Install the Electrical Attachments in the FWD Cargo
Compartment
1.00 h
Remove the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Insulation Blankets in the LH Avionics Bay 0.50 h
Remove the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
0.50 h
Remove the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
1.00 h
Install the Insulation Blankets in the LH Avionics Bay 0.50 h
Install the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
Remove the Insulation Blankets in the RH Avionics Bay 0.50 h
Remove the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Insulation Blankets in the RH Avionics Bay 0.50 h
Install the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
PREPARATION FOR TEST
None
TEST
T est 1.00 h
CLOSE-UP
Close access to the Air Distribution System in the FWD
Cargo Compartment
2.00 h
Close access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Close-up 0.75 h
TOTAL MAN-HOURS 28.00 h
ELAPSED TIME (HOURS) 10.75 h
NOTE: For an explanation of the man-hours and elapsed time, refer to the
Gantt Chart given in Appendix MANPOWER GANTT CHART.
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
PREPARATION
Job Set-up 3.00 h
PROCEDURE
Remove the Brackets from the FWD Cargo Compartment 0.75 h
Install the Brackets in the FWD Cargo Compartment 1.25 h
PREPARATION FOR TEST

### Page 39

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 39
None
TEST
None
CLOSE-UP
Close-up 3.00 h
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 003
The manpower estimates given in this Service Bulletin are based on the direct labor cost to
do the work. These estimates assume that the work will be done by experienced personnel,
and may need to be revised upwards to suit operator’s circumstances. The estimates do not
include the time to prepare, plan or inspect the work. Manufacture and procurement of parts
and tools, drying times for paints, sealants, etc., and general administration work are also
not included.
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
PREPARATION
Job Set-up 0.75 h
Get access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Get access to the Air Distribution System in the FWD Cargo
Compartment
2.00 h
PROCEDURE
Remove the Ducts in the FWD Cargo Compartment 1.00 h
Install the Ducts in the FWD Cargo Compartment 1.00 h
Remove the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Insulation Blankets in the LH Avionics Bay 0.50 h
Remove the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
0.50 h
Remove the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
1.00 h
Install the Insulation Blankets in the LH Avionics Bay 0.50 h
Install the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
Remove the Insulation Blankets in the RH Avionics Bay 0.50 h
Remove the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Insulation Blankets in the RH Avionics Bay 0.50 h
Install the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
PREPARATION FOR TEST
None

### Page 40

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 40
TEST
T est 1.00 h
CLOSE-UP
Close access to the Air Distribution System in the FWD
Cargo Compartment
2.00 h
Close access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Close-up 0.75 h
TOTAL MAN-HOURS 26.50 h
ELAPSED TIME (HOURS) 10.75 h
NOTE: For an explanation of the man-hours and elapsed time, refer to the
Gantt Chart given in Appendix MANPOWER GANTT CHART.
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
PREPARATION
Job Set-up 3.00 h
PROCEDURE
Remove the Brackets from the FWD Cargo Compartment 0.75 h
Install the Brackets in the FWD Cargo Compartment 1.25 h
PREPARATION FOR TEST
None
TEST
None
CLOSE-UP
Close-up 3.00 h
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 004
The manpower estimates given in this Service Bulletin are based on the direct labor cost to
do the work. These estimates assume that the work will be done by experienced personnel,
and may need to be revised upwards to suit operator’s circumstances. The estimates do not
include the time to prepare, plan or inspect the work. Manufacture and procurement of parts
and tools, drying times for paints, sealants, etc., and general administration work are also
not included.
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
PREPARATION
Job Set-up 0.75 h
Get access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h

### Page 41

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 41
Get access to the Air Distribution System in the FWD Cargo
Compartment
2.00 h
PROCEDURE
Remove the Ducts in the FWD Cargo Compartment 1.00 h
Install the Ducts in the FWD Cargo Compartment 1.00 h
Remove the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Insulation Blankets in the LH Avionics Bay 0.50 h
Remove the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
0.50 h
Remove the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
1.00 h
Install the Insulation Blankets in the LH Avionics Bay 0.50 h
Install the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
Remove the Insulation Blankets in the RH Avionics Bay 0.50 h
Remove the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Insulation Blankets in the RH Avionics Bay 0.50 h
Install the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
PREPARATION FOR TEST
None
TEST
T est 1.00 h
CLOSE-UP
Close access to the Air Distribution System in the FWD
Cargo Compartment
2.00 h
Close access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Close-up 0.75 h
TOTAL MAN-HOURS 26.50 h
ELAPSED TIME (HOURS) 10.75 h
NOTE: For an explanation of the man-hours and elapsed time, refer to the
Gantt Chart given in Appendix MANPOWER GANTT CHART.
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
PREPARATION
Job Set-up 3.00 h
PROCEDURE
Remove the Brackets from the FWD Cargo Compartment 0.75 h

### Page 42

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 42
Install the Brackets in the FWD Cargo Compartment 1.25 h
PREPARATION FOR TEST
None
TEST
None
CLOSE-UP
Close-up 3.00 h
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF 005
The manpower estimates given in this Service Bulletin are based on the direct labor cost to
do the work. These estimates assume that the work will be done by experienced personnel,
and may need to be revised upwards to suit operator’s circumstances. The estimates do not
include the time to prepare, plan or inspect the work. Manufacture and procurement of parts
and tools, drying times for paints, sealants, etc., and general administration work are also
not included.
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
PREPARATION
Job Set-up 0.75 h
Get access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Get access to the Air Distribution System in the FWD Cargo
Compartment
2.00 h
PROCEDURE
Remove the Electrical Attachments in the FWD Cargo
Compartment
0.50 h
Remove the Ducts in the FWD Cargo Compartment 1.00 h
Install the Ducts in the FWD Cargo Compartment 1.00 h
Install the Electrical Attachments in the FWD Cargo
Compartment
1.00 h
Remove the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Insulation Blankets in the LH Avionics Bay 0.50 h
Remove the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
0.50 h
Remove the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Electrical Attachments in the LH Avionics Bay 0.75 h
Install the Fixed Attachments in the LH Cockpit and LH
Avionics Bay
1.00 h
Install the Insulation Blankets in the LH Avionics Bay 0.50 h
Install the Ducts in the LH Cockpit and LH Avionics Bay 2.00 h
Remove the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
Remove the Insulation Blankets in the RH Avionics Bay 0.50 h
Remove the Fixed Attachment in the RH Avionics Bay 0.50 h

### Page 43

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 43
Install the Fixed Attachment in the RH Avionics Bay 0.50 h
Install the Insulation Blankets in the RH Avionics Bay 0.50 h
Install the Ducts in the RH Cockpit and RH Avionics Bay 1.00 h
PREPARATION FOR TEST
None
TEST
T est 1.00 h
CLOSE-UP
Close access to the Air Distribution System in the FWD
Cargo Compartment
2.00 h
Close access to the Air Distribution System in the Cockpit
and Avionics Bay
3.00 h
Close-up 0.75 h
TOTAL MAN-HOURS 28.00 h
ELAPSED TIME (HOURS) 10.75 h
NOTE: For an explanation of the man-hours and elapsed time, refer to the
Gantt Chart given in Appendix MANPOWER GANTT CHART.
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
PREPARATION
Job Set-up 3.00 h
PROCEDURE
Remove the Brackets from the FWD Cargo Compartment 0.75 h
Install the Brackets in the FWD Cargo Compartment 1.25 h
PREPARATION FOR TEST
None
TEST
None
CLOSE-UP
Close-up 3.00 h
TOTAL MAN-HOURS 8.00 h
ELAPSED TIME (HOURS) 5.00 h
CONF ALL
H. WEIGHT AND BALANCE
The weight and balance estimates given in this Service Bulletin are based on the
Manufacturer's Empty Weight (MEW) and do not include operator's items. The definition of
MEW and operator's items is given in the Weight and Balance Manual (WBM), Ref. WBM.
Manufacturer's Empty Weight +2.075 kg (+4.575 lb)
Effect on Balance +29.977 kg.m (+216.824 lb.ft)
I. ELECTRICAL LOAD DATA

### Page 44

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 44
Not changed
J. REFERENCES
CONF 001
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-23-12-01ZZZ-667Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-4X-XX-01ZZZ-667Z-A A350-A-51-42-XX-01ZZZ-667Z-A
A350-A-51-42-11-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
A350-A-51-44-11-01ZZZ-667Z-A A350-A-51-47-XX-01ZZZ-667Z-A
A350-A-51-75-12-00ZZZ-660Z-A A350-A-51-77-11-00ZZZ-660Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-33-XX-01ZZZ-042Z-A A350-A-20-33-42-01ZZZ-041Z-A
A350-A-20-33-44-01ZZZ-041Z-A A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-12-XX-XX-00ZZZ-170Z-A A350-A-20-51-50-01ZZZ-25BZ-A
A350-A-20-51-50-04ZZZ-25BZ-A
A350-A-21-2X-XX-00ZZZ-520Z-A
A350-A-21-2X-XX-00ZZZ-720Z-A
A350-A-21-22-XX-00ZZZ-343Z-A
A350-A-21-26-XX-01ZZZ-343Z-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-25-13-69-00ZZZ-520Z-A
A350-A-25-13-69-00ZZZ-720Z-A
A350-A-25-13-69-01ZZZ-520Z-A
A350-A-25-13-69-01ZZZ-720Z-A
A350-A-25-13-82-00ZZZ-520Z-A
A350-A-25-13-82-00ZZZ-720Z-A
A350-A-25-81-61-00ZZZ-520Z-A
A350-A-25-81-61-00ZZZ-720Z-A
A350-A-50-1X-XX-00ZZZ-170Z-A
A350-A-50-1X-XX-01ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
A350-A-53-12-73-00ZZZ-520Z-A
A350-A-53-12-73-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin

### Page 45

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 45
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-21-11-00ZZZ-660Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-20-51-50-01ZZZ-25BZ-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
CONF 002
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-23-12-01ZZZ-667Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-4X-XX-01ZZZ-667Z-A A350-A-51-42-XX-01ZZZ-667Z-A
A350-A-51-42-11-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
A350-A-51-44-11-01ZZZ-667Z-A A350-A-51-47-XX-01ZZZ-667Z-A
A350-A-51-75-12-00ZZZ-660Z-A A350-A-51-77-11-00ZZZ-660Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-33-XX-01ZZZ-042Z-A A350-A-20-33-42-01ZZZ-041Z-A
A350-A-20-33-44-01ZZZ-041Z-A A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-12-XX-XX-00ZZZ-170Z-A A350-A-20-51-50-01ZZZ-25BZ-A
A350-A-20-51-50-04ZZZ-25BZ-A
A350-A-21-2X-XX-00ZZZ-520Z-A
A350-A-21-2X-XX-00ZZZ-720Z-A
A350-A-21-22-XX-00ZZZ-343Z-A
A350-A-21-26-XX-01ZZZ-343Z-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-25-13-69-00ZZZ-520Z-A A350-A-25-13-82-00ZZZ-520Z-A

### Page 46

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 46
MAINTENANCE PROCEDURE (MP)
A350-A-25-13-69-00ZZZ-720Z-A
A350-A-25-13-69-01ZZZ-520Z-A
A350-A-25-13-69-01ZZZ-720Z-A
A350-A-25-13-82-00ZZZ-720Z-A
A350-A-25-81-61-00ZZZ-520Z-A
A350-A-25-81-61-00ZZZ-720Z-A
A350-A-50-1X-XX-00ZZZ-170Z-A
A350-A-50-1X-XX-01ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
A350-A-53-12-73-00ZZZ-520Z-A
A350-A-53-12-73-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-21-11-00ZZZ-660Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-20-51-50-01ZZZ-25BZ-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
CONF 003
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-23-12-01ZZZ-667Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-4X-XX-01ZZZ-667Z-A A350-A-51-42-XX-01ZZZ-667Z-A

### Page 47

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 47
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-42-11-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
A350-A-51-44-11-01ZZZ-667Z-A A350-A-51-47-XX-01ZZZ-667Z-A
A350-A-51-75-12-00ZZZ-660Z-A A350-A-51-77-11-00ZZZ-660Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-33-XX-01ZZZ-042Z-A A350-A-20-33-42-01ZZZ-041Z-A
A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-12-XX-XX-00ZZZ-170Z-A A350-A-20-51-50-01ZZZ-25BZ-A
A350-A-20-51-50-04ZZZ-25BZ-A
A350-A-21-2X-XX-00ZZZ-520Z-A
A350-A-21-2X-XX-00ZZZ-720Z-A
A350-A-21-22-XX-00ZZZ-343Z-A
A350-A-21-26-XX-01ZZZ-343Z-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-25-13-69-00ZZZ-520Z-A
A350-A-25-13-69-00ZZZ-720Z-A
A350-A-25-13-69-01ZZZ-520Z-A
A350-A-25-13-69-01ZZZ-720Z-A
A350-A-25-13-82-00ZZZ-520Z-A
A350-A-25-13-82-00ZZZ-720Z-A
A350-A-25-81-61-00ZZZ-520Z-A
A350-A-25-81-61-00ZZZ-720Z-A
A350-A-50-1X-XX-00ZZZ-170Z-A
A350-A-50-1X-XX-01ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
A350-A-53-12-73-00ZZZ-520Z-A
A350-A-53-12-73-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-21-11-00ZZZ-660Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-55-XX-01ZZZ-042Z-A

### Page 48

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 48
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-20-51-50-01ZZZ-25BZ-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
CONF 004
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-23-12-01ZZZ-667Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-4X-XX-01ZZZ-667Z-A A350-A-51-42-XX-01ZZZ-667Z-A
A350-A-51-42-11-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
A350-A-51-44-11-01ZZZ-667Z-A A350-A-51-47-XX-01ZZZ-667Z-A
A350-A-51-75-12-00ZZZ-660Z-A A350-A-51-77-11-00ZZZ-660Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-33-XX-01ZZZ-042Z-A A350-A-20-33-42-01ZZZ-041Z-A
A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-12-XX-XX-00ZZZ-170Z-A A350-A-20-51-50-01ZZZ-25BZ-A
A350-A-20-51-50-04ZZZ-25BZ-A
A350-A-21-2X-XX-00ZZZ-520Z-A
A350-A-21-2X-XX-00ZZZ-720Z-A
A350-A-21-22-XX-00ZZZ-343Z-A
A350-A-21-26-XX-01ZZZ-343Z-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-25-13-69-00ZZZ-520Z-A
A350-A-25-13-69-00ZZZ-720Z-A
A350-A-25-13-69-01ZZZ-520Z-A
A350-A-25-13-69-01ZZZ-720Z-A
A350-A-25-13-82-00ZZZ-520Z-A
A350-A-25-13-82-00ZZZ-720Z-A
A350-A-25-81-61-00ZZZ-520Z-A
A350-A-25-81-61-00ZZZ-720Z-A
A350-A-50-1X-XX-00ZZZ-170Z-A
A350-A-50-1X-XX-01ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A

### Page 49

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 49
MAINTENANCE PROCEDURE (MP)
A350-A-53-12-73-00ZZZ-520Z-A
A350-A-53-12-73-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-21-11-00ZZZ-660Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-20-51-50-01ZZZ-25BZ-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
CONF 005
(1) Replace the Cockpit and Avionics Air Distribution Ducts
(a) T ask set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and Avionics Air
Distribution Ducts
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-23-12-01ZZZ-667Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-4X-XX-01ZZZ-667Z-A A350-A-51-42-XX-01ZZZ-667Z-A
A350-A-51-42-11-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
A350-A-51-44-11-01ZZZ-667Z-A A350-A-51-47-XX-01ZZZ-667Z-A
A350-A-51-75-12-00ZZZ-660Z-A A350-A-51-77-11-00ZZZ-660Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-33-XX-01ZZZ-042Z-A A350-A-20-33-42-01ZZZ-041Z-A
A350-A-20-33-44-01ZZZ-041Z-A A350-A-20-55-XX-01ZZZ-042Z-A

### Page 50

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 50
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-12-XX-XX-00ZZZ-170Z-A A350-A-20-51-50-01ZZZ-25BZ-A
A350-A-20-51-50-04ZZZ-25BZ-A
A350-A-21-2X-XX-00ZZZ-520Z-A
A350-A-21-2X-XX-00ZZZ-720Z-A
A350-A-21-22-XX-00ZZZ-343Z-A
A350-A-21-26-XX-01ZZZ-343Z-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-25-13-69-00ZZZ-520Z-A
A350-A-25-13-69-00ZZZ-720Z-A
A350-A-25-13-69-01ZZZ-520Z-A
A350-A-25-13-69-01ZZZ-720Z-A
A350-A-25-13-82-00ZZZ-520Z-A
A350-A-25-13-82-00ZZZ-720Z-A
A350-A-25-81-61-00ZZZ-520Z-A
A350-A-25-81-61-00ZZZ-720Z-A
A350-A-50-1X-XX-00ZZZ-170Z-A
A350-A-50-1X-XX-01ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
A350-A-53-12-73-00ZZZ-520Z-A
A350-A-53-12-73-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)
CONSUMABLE MATERIAL LIST (CML)
(2) Modification - Additional Work for Aircraft Modified by the Original Issue of
this Service Bulletin
(a) T ask set A350-A-21-XX-P032-02000-93AA-A Modification - Additional Work for
Aircraft Modified by the Original Issue of this Service Bulletin
AIRCRAFT STRUCTURAL REPAIR (ASR)
A350-A-51-21-11-00ZZZ-660Z-A A350-A-51-24-XX-01ZZZ-667Z-A
A350-A-51-42-XX-01ZZZ-667Z-A A350-A-51-43-XX-01ZZZ-667Z-A
ELECTRICAL STANDARD PRACTICES (ESP)
A350-A-20-55-XX-01ZZZ-042Z-A
INTRODUCTION (INTRO)
A350-A-00-61-04-11ZZZ-018Z-D
MAINTENANCE PROCEDURE (MP)
A350-A-20-51-50-01ZZZ-25BZ-A A350-A-24-41-XX-00ZZZ-170Z-A
A350-A-50-18-61-00ZZZ-520Z-A
A350-A-50-18-61-00ZZZ-720Z-A
A350-A-50-23-63-00ZZZ-520Z-A
A350-A-50-23-63-00ZZZ-720Z-A
WEIGHT AND BALANCE MANUAL (WBM)
STANDARDS MANUAL (SM)

### Page 51

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 51
CONSUMABLE MATERIAL LIST (CML)
CONF ALL
K. PUBLICATION AFFECTED
MAINTENANCE ILLUSTRATED PART DATA (MIPD)
MAINTENANCE PROCEDURE (MP)
L. INDUSTRY SUPPORT INFORMATION
AIRBUS will not provide industry support for accomplishment of this Service Bulletin.

### Page 52

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 52
2. MATERIAL INFORMATION
A. MATERIAL APPLICABILITY
CONF 001
Material for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
MATERIAL QTY SEE NOTES
Referenced tools See SB
Consumables See SB
Referenced consumables See SB
Part kit 21P032A01R00 1
Part kit 21P032A02R00 1
Part kit 21P032A03R00 1
Referenced parts See SB
Interchangeable parts See SB
Material for task set A350-A-21-XX-P032-02000-93AA-A Modification - Additional
Work for Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL QTY SEE NOTES
Consumables See SB
Referenced consumables See SB
Part kit 21P032A09R00 1
CONF 002
Material for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
MATERIAL QTY SEE NOTES
Referenced tools See SB
Consumables See SB
Referenced consumables See SB
Part kit 21P032A01R00 1
Part kit 21P032A03R00 1
Part kit 21P032A04R00 1
Referenced parts See SB
Interchangeable parts See SB
Material for task set A350-A-21-XX-P032-02000-93AA-A Modification - Additional
Work for Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL QTY SEE NOTES
Consumables See SB
Referenced consumables See SB
Part kit 21P032A09R00 1

### Page 53

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 53
CONF 003
Material for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
MATERIAL QTY SEE NOTES
Referenced tools See SB
Consumables See SB
Referenced consumables See SB
Part kit 21P032A05R00 1
Part kit 21P032A06R00 1
Part kit 21P032A07R00 1
Referenced parts See SB
Interchangeable parts See SB
Material for task set A350-A-21-XX-P032-02000-93AA-A Modification - Additional
Work for Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL QTY SEE NOTES
Consumables See SB
Referenced consumables See SB
Part kit 21P032A09R00 1
CONF 004
Material for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
MATERIAL QTY SEE NOTES
Referenced tools See SB
Consumables See SB
Referenced consumables See SB
Part kit 21P032A05R00 1
Part kit 21P032A06R00 1
Part kit 21P032A07R00 1
Referenced parts See SB
Interchangeable parts See SB
Material for task set A350-A-21-XX-P032-02000-93AA-A Modification - Additional
Work for Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL QTY SEE NOTES
Consumables See SB
Referenced consumables See SB
Part kit 21P032A09R00 1
CONF 005
Material for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit and
Avionics Air Distribution Ducts
MATERIAL QTY SEE NOTES
Referenced tools See SB

### Page 54

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 54
MATERIAL QTY SEE NOTES
Consumables See SB
Referenced consumables See SB
Part kit 21P032A06R00 1
Part kit 21P032A07R00 1
Part kit 21P032A08R00 1
Referenced parts See SB
Interchangeable parts See SB
Material for task set A350-A-21-XX-P032-02000-93AA-A Modification - Additional
Work for Aircraft Modified by the Original Issue of this Service Bulletin
MATERIAL QTY SEE NOTES
Consumables See SB
Referenced consumables See SB
Part kit 21P032A09R00 1
CONF ALL
B. TOOLING
CONF 001
Referenced tools for task set A350-A-21-XX-P032-01000-93AA-A Replace the
Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the tools listed in:
Ref. MP A350-A-50-1X-XX-00ZZZ-170Z-A
Ref. MP A350-A-50-1X-XX-01ZZZ-170Z-A
CONF 002
Referenced tools for task set A350-A-21-XX-P032-01000-93AA-A Replace the
Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the tools listed in:
Ref. MP A350-A-50-1X-XX-00ZZZ-170Z-A
Ref. MP A350-A-50-1X-XX-01ZZZ-170Z-A
CONF 003
Referenced tools for task set A350-A-21-XX-P032-01000-93AA-A Replace the
Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the tools listed in:
Ref. MP A350-A-50-1X-XX-00ZZZ-170Z-A
Ref. MP A350-A-50-1X-XX-01ZZZ-170Z-A
CONF 004
Referenced tools for task set A350-A-21-XX-P032-01000-93AA-A Replace the
Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the tools listed in:
Ref. MP A350-A-50-1X-XX-00ZZZ-170Z-A
Ref. MP A350-A-50-1X-XX-01ZZZ-170Z-A

### Page 55

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 55
CONF 005
Referenced tools for task set A350-A-21-XX-P032-01000-93AA-A Replace the
Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the tools listed in:
Ref. MP A350-A-50-1X-XX-00ZZZ-170Z-A
Ref. MP A350-A-50-1X-XX-01ZZZ-170Z-A
CONF ALL
C. CONSUMABLES
CONF 001
Consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit
and Avionics Air Distribution Ducts
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04JME4 T op Coat Polyurethane -Grey Internal Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
04SAB2 Varnish Polyurethane -Marking Structure
06AAC1 Polysulfide Sealant -General Purpose Interfay
06ACA1
Polysulfide Sealant - Low
Density MultiPurpose
Brushable
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
10ABC1
Surface Pretreatment
- Light Alloys Chemical
Conversion Yellow
12AEB1
Corrosion Preventive
Compound - Heavy Duty
Long Durability Hard Film
14SBA1 T extile - Lint free Cotton
Consumables for task set A350-A-21-XX-P032-02000-93AA-A Modification -
Additional Work for Aircraft Modified by the Original Issue of this Service Bulletin
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04QAB2 Coating - Flexible Structure

### Page 56

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 56
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
14SBA1 T extile - Lint free Cotton
CONF 002
Consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit
and Avionics Air Distribution Ducts
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04JME4 T op Coat Polyurethane -Grey Internal Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
04SAB2 Varnish Polyurethane -Marking Structure
06AAC1 Polysulfide Sealant -General Purpose Interfay
06ACA1
Polysulfide Sealant - Low
Density MultiPurpose
Brushable
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
10ABC1
Surface Pretreatment
- Light Alloys Chemical
Conversion Yellow
12AEB1
Corrosion Preventive
Compound - Heavy Duty
Long Durability Hard Film
14SBA1 T extile - Lint free Cotton
Consumables for task set A350-A-21-XX-P032-02000-93AA-A Modification -
Additional Work for Aircraft Modified by the Original Issue of this Service Bulletin

### Page 57

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 57
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
14SBA1 T extile - Lint free Cotton
CONF 003
Consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit
and Avionics Air Distribution Ducts
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04JME4 T op Coat Polyurethane -Grey Internal Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
04SAB2 Varnish Polyurethane -Marking Structure
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
10ABC1
Surface Pretreatment
- Light Alloys Chemical
Conversion Yellow
12AEB1
Corrosion Preventive
Compound - Heavy Duty
Long Durability Hard Film
14SBA1 T extile - Lint free Cotton
Consumables for task set A350-A-21-XX-P032-02000-93AA-A Modification -
Additional Work for Aircraft Modified by the Original Issue of this Service Bulletin

### Page 58

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 58
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
14SBA1 T extile - Lint free Cotton
CONF 004
Consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit
and Avionics Air Distribution Ducts
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04JME4 T op Coat Polyurethane -Grey Internal Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
04SAB2 Varnish Polyurethane -Marking Structure
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
10ABC1
Surface Pretreatment
- Light Alloys Chemical
Conversion Yellow
12AEB1
Corrosion Preventive
Compound - Heavy Duty
Long Durability Hard Film
14SBA1 T extile - Lint free Cotton
Consumables for task set A350-A-21-XX-P032-02000-93AA-A Modification -
Additional Work for Aircraft Modified by the Original Issue of this Service Bulletin

### Page 59

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 59
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
14SBA1 T extile - Lint free Cotton
CONF 005
Consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace the Cockpit
and Avionics Air Distribution Ducts
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04JME4 T op Coat Polyurethane -Grey Internal Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
04SAB2 Varnish Polyurethane -Marking Structure
06AAC1 Polysulfide Sealant -General Purpose Interfay
06ACA1
Polysulfide Sealant - Low
Density MultiPurpose
Brushable
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
10ABC1
Surface Pretreatment
- Light Alloys Chemical
Conversion Yellow
12AEB1
Corrosion Preventive
Compound - Heavy Duty
Long Durability Hard Film
14SBA1 T extile - Lint free Cotton
Consumables for task set A350-A-21-XX-P032-02000-93AA-A Modification -
Additional Work for Aircraft Modified by the Original Issue of this Service Bulletin

### Page 60

A350
SERVICE BULLETIN
REV 00 May 02/19 A350-21-P032
REV 01 Mar 02/22 Page 60
ITEM REFERENCE CML DESCRIPTION DRAWING SEE NOTES
04DAB2
Primer Epoxy Paint -
Corrosion Inhibiting
Structure
04QAB2 Coating - Flexible Structure
04QAC5
Coating - Corrosion
Inhibiting Fastener Head
Protection
06AAC1 Polysulfide Sealant -General Purpose Interfay
06LCG9 Non Hardening JointingPutty - Medium T emp. Area
08BAA9 Non Aqueous Cleaner -General
14SBA1 T extile - Lint free Cotton
CONF 001
Referenced consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace
the Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the consumable materials listed in:
Ref. MP A350-A-20-51-50-04ZZZ-25BZ-A
Ref. MP A350-A-21-2X-XX-00ZZZ-720Z-A
Ref. MP A350-A-25-13-82-00ZZZ-720Z-A
Ref. MP A350-A-25-81-61-00ZZZ-720Z-A
Ref. MP A350-A-50-18-61-00ZZZ-720Z-A
Referenced consumables for task set A350-A-21-XX-P032-02000-93AA-A
Modification - Additional Work for Aircraft Modified by the Original Issue of this
Service Bulletin
T o accomplish this Service Bulletin it is necessary to use the consumable materials listed in:
Ref. MP A350-A-20-51-50-01ZZZ-25BZ-A
Ref. MP A350-A-50-18-61-00ZZZ-720Z-A
CONF 002
Referenced consumables for task set A350-A-21-XX-P032-01000-93AA-A Replace
the Cockpit and Avionics Air Distribution Ducts
T o accomplish this Service Bulletin it is necessary to use the consumable materials listed in:
Ref. MP A350-A-20-51-50-04ZZZ-25BZ-A
Ref. MP A350-A-21-2X-XX-00ZZZ-720Z-A
Ref. MP A350-A-25-13-82-00ZZZ-720Z-A
Ref. MP A350-A-25-81-61-00ZZZ-720Z-A
Ref. MP A350-A-50-18-61-00ZZZ-720Z-A
Referenced consumables for task set A350-A-21-XX-P032-02000-93AA-A
Modification - Additional Work for Aircraft Modified by the Original Issue of this
Service Bulletin
T o accomplish this Service Bulletin it is necessary to use the consumable materials listed in:

The text continues at https://openairdocs.org/service-documents/airbus/a350-21-p032/file/8283a24b2995.md?from=61

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.