# Safran Service Bulletin 201-32-68

## Copies (2)

Copies the FAA filed in AD dockets on regulations.gov, newest revision first. A newer revision may exist.

- Revision 4 ("201-32-68R04"), 12 pages: PDF https://openairdocs.org/files/sha256/c7/44/c7443389093d74e98b209c61c3b02872f3c8d2c178ee09a0da3b807dd4f1959a; text https://openairdocs.org/service-documents/safran/sb-201-32-68/file/c7443389093d.md. Rights: © Safran. Filed by the FAA in regulations.gov docket FAA-2023-1645; AD 2023-23-11 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.
- Revision 2 ("201-32-68 Rev 2"), 14 pages: PDF https://openairdocs.org/files/sha256/d5/da/d5da6639e458bcb378029f995c379ab4467276935a7048053c88ecce31fb90c8; text https://openairdocs.org/service-documents/safran/sb-201-32-68/file/d5da6639e458.md. Rights: © Safran. Filed by the FAA in regulations.gov docket FAA-2019-0017; AD 2019-12-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Safran](https://openairdocs.org/service-documents/safran.md)
- Type: Service bulletin (Service Bulletin)
- Number: 201-32-68
- Latest revision known: 201-32-68, Revision 4, dated November 3, 2021 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/safran/sb-201-32-68

## ADs that cite it (2) (OpenAirDocs)

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

- [AD 2023-23-11](https://openairdocs.org/ad/2023-23-11.md), effective Jan 23, 2024: Revisions 2 and 4
- [AD 2019-12-07](https://openairdocs.org/ad/2019-12-07.md), effective Aug 1, 2019: Revision 2

Also cited in [2 proposed ADs](https://openairdocs.org/service-documents/safran/sb-201-32-68/proposed.md).

## Text (12 pages)

Revision 4, the newest copy. Rights: © Safran. Filed by the FAA in regulations.gov docket FAA-2023-1645; AD 2023-23-11 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication. Each page's text from the PDF; open the PDF at a page with #page=N.

### Page 1

Service Bulletin No. 201-32-68
Page 1 of 10
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Cheltenham Road, Gloucester, GL2 9QH, England
Telephone: +44 (0) 1452 712424
www.safran-landing-systems.com
SERVICE BULLETIN
 ©SAFRAN LANDING SYSTEMS 2021 (AND SUBSEQUENT REVISION PAGE DATES)
This document and all information contained herein is the sole property of Safran Landing Systems (and/or its affiliated compa nies). No
intellectual property rights are granted by the delivery of thi s document or the disclosure of its content. This document shal l not be
reproduced to a third party without the express written consent of Safran Landing Systems (and/or the appropriate affiliated company).
LANDING GEAR - MAIN LANDING GEAR - MAIN LANDING GEAR LEG AND DRESSINGS - MAIN 
LANDING GEAR LEG - INSPECTION OF THE SLIDING TUBE
1. Planning Information
A. Effectivity
 
Unit affected: Main Landing Gear Complete
which includes:
Main Landing Gear Leg and Dressings
which includes:
Main Landing Gear Leg
Part/Type Nos.: 201521 Series (Main Landing Gear Complete)
which includes:
201523 Series (Main Landing Gear Leg and Dressings)
which includes:
201522 Series (Main Landing Gear Leg)
which includes:
201522353 (Sliding Tube)
or
201685 Series (Main Landing Gear Complete)
which includes:
201585 Series (Main Landing Gear Leg and Dressings)
which includes:
201587 Series (Main Landing Gear Leg)
which includes:
201522353 (Sliding Tube)
or
201584 Series (Main Landing Gear Complete)
which includes:
201585 Series (Main Landing Gear Leg and Dressings)
which includes:
201587 Series (Main Landing Gear Leg)
which includes:
201522353 (Sliding Tube)
or
Sep 9/2015
Nov 3/2021 (Revision 4)

### Page 2

Service Bulletin No. 201-32-68
Page 2
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
201659 Series (Main Landing Gear Complete)
which includes:
201585 Series (Main Landing Gear Leg and Dressings)
which includes:
201587 Series (Main Landing Gear Leg)
which includes:
201522353 (Sliding Tube)
B. Concurrent Requirements
(1) None.
C. Reason
Aircraft affected: A321-100/A321-200
(1) During overhaul several sliding tubes have been found with c racks from the lower
slave link bracket lug holes.
D. Description
(1) Safran Landing Systems tells you that the part number of the  affected sliding tube is
201522353. Investigation has shown that the cracks started from  burrs in the lower
slave link bracket lug holes.
(2) Safran Landing Systems recommend at overhaul you do:
(a) A one time only visual inspec tion of the sliding tube for bu rrs in the lower slave
link bracket lug holes.
(3) Safran Landing Systems tells you that you must complete the proforma in Appendix A
to report results of the inspection. Return the proforma to the  address shown in
Appendix A.
(a) The information to be recorded is:
1 Any results showing no evidence of burrs
2 Any results showing evidence of burrs.
E. Compliance
(1) Safran Landing Systems recommend that you do this inspection  at overhaul. Refer to
Airbus SB A320-32-1441 Rev 02 or later.
F. Approval
(1) The technical content of this document is approved under the  authority of the DOA ref.
EASA.21J.031.
Nov 3/2021 (Revision 4)

### Page 3

Service Bulletin No. 201-32-68
Page 3
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
G. Manpower
(1) Safran Landing Systems tells you that no more man-hours will be necessary when you
do this Service Bulletin at overhaul.
NOTE: It is assumed that the equipment has been placed in a maintenan ce
status. The man-hour estimates do not include preparation, close out or
administrative functions.
H. Weight and Balance
(1) None.
I. Electrical Load Data
(1) Not changed.
J. Software Accomplishment Summary
(1) Not applicable.
K. References
(1) Safran Landing Systems UK Ltd Component Maintenance Manual 32-12-10.
(2) Safran Landing Systems UK Ltd Component Maintenance Manual 32-12-11.
(3) Safran Landing Systems UK Ltd Component Maintenance Manual 32-12-12.
(4) Safran Landing Systems UK Ltd Component Maintenance Manual 32-12-20.
(5) Safran Landing Systems UK Ltd Component Maintenance Manual 32-12-21.
(6) Safran Landing Systems UK Ltd Component Maintenance Manual 32-12-22.
(7) This Service Bulletin refers t o Process Specifications (M-DL PS and PCS) and
Non-destructive Tests (M-DLNDT): these are available within the  Safran Landing
Systems Technical Publications on-line service.
(8) This Service Bulletin is covered by aircraft Service Bulletin N° A320-32-1441 Rev 02 or
later. Under no circumstances shall the inspected equipment, re sulting from the
application of the Service Bulle tin, be installed on the aircra ft type unless its aircraft
Service Bulletin is approved.
L. Publications Affected
(1) None.
M. Interchangeability
(1) Not applicable.
2. Material Information
A. Material - Price and Availability 
(1) None.
B. Industry Support Information
(1) Not applicable.
C. List of components
(1) Not applicable.
Nov 3/2021 (Revision 4)

### Page 4

Service Bulletin No. 201-32-68
Page 4
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
D. Subcomponents to be re-identified
(1) Not applicable.
E. Tooling
(1) None.
F. Special Tools
(1) None.
3. Accomplishment Instructions
The figure/item numbers in parentheses in the text agree with t hose that are in the illustrated
parts list. Only the primary figure/item numbers are used. The Process Specifications (M-DLPS
and PCS) and Non-destructive Tests (M-DLNDT): these are availab le within the Safran Landing
Systems Technical Publications on-line service.
A. General
(1) Not applicable.
B. Preparation
(1) Not applicable.
C. Procedure
(1) Procedure at overhaul for sliding tube 201522353 (refer to C MM 32-12-12 or 32-12-22
and Figures 1 to 4 of this Service Bulletin).
(a) After NDT of the sliding tube (18A-100A: CMM 32-12-12 or 18- 80: CMM
32-12-22)
1 Visually inspect the top and bottom surfaces of the four bolt h oles in the
sliding tube (18A-100A: CMM 32-12-12 or 18-80: CMM 32-12-22), w here
the bracket (9A-230B: CMM 32-12-12 or 8-170: CMM 32-12-22) inst alls, for
burrs: refer to Figures 3 and 4. 
a Use a good light source and 10x magnification to view the area.  Look
for burrs.
2 If burrs are found, report all findings to Safran Landing Syste ms, use the
proforma in Appendix A. Contact Safran Landing Systems who will  supply
an applicable repair.
3 If you do not find any burrs, no further inspection is necessary.
a Complete the proforma in Appendix A and return it to the addres s
given in Appendix A.
4 Complete the overhaul of the sliding tube (18A-100A: CMM 32-12- 12 or
18-80: CMM 32-12-22): refer to the CMM.
Nov 3/2021 (Revision 4)

### Page 5

Service Bulletin No. 201-32-68
Page 5
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
D. Re-identification of Equipment
NOTE: When it is necessary to replace the identification nameplate ma rk the
replacement nameplate with all the applicable data.
(1) After you have done this Service Bulletin:
- write the Service Bulletin number 201-32-68 in the applicable aircraft and landing
gear records.
E. Test
(1) Not applicable.
F. Close-up
(1) Not applicable.
Nov 3/2021 (Revision 4)

### Page 6

Service Bulletin No. 201-32-68
Page 6
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Main Landing Gear - Area of Inspection
Figure 1
A321A7479-1
AREA OF INSPECTION
Nov 3/2021 (Revision 4)

### Page 7

Service Bulletin No. 201-32-68
Page 7
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Sliding Tube 201522353 - Holes to be Inspected
Figure 2
VIEW ON ARROW Z
A321A7480-1
Z
HOLES TO BE INSPECTED
6,50 to 6,70mm
(0.255 to 0.264in) DIAMETER
37,00mm
(1.456in
18,00mm
(0.708in)
Nov 3/2021 (Revision 4)

### Page 8

Service Bulletin No. 201-32-68
Page 8
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Sliding Tube - Holes to be Inspected
Figure 3
Nov 3/2021 (Revision 4)
Burr visible in hole: 
refer to Figure 4.

### Page 9

Service Bulletin No. 201-32-68
Page 9
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Sliding Tube - Enlarged View of Hole with Visible Burr
Figure 4
Nov 3/2021 (Revision 4)

### Page 10

Service Bulletin No. 201-32-68
Page 10
SERVICE BULLETIN
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
4. Safran Landing Systems and Safran Landing Systems Services Contacts
A. Refer to the Safran Landing Systems website (safrangroup.com)  for the latest list of contact
names, addresses and numbers.    
Original Equipment Manufacturers
Safran Landing Systems Canada Inc.
574 Monarch Avenue
Ajax, Ontario
L1S 2G8 
CANADA
Tel: 905-683-3100
Fax: 905-683-6936
Safran Landing Systems UK Ltd
Cheltenham Road
Gloucester
GL2 9QH
ENGLAND
Tel: +44(0)1452 712424
Fax: +44(0)1452 713821
Safran Landing Systems SAS
Site Jean-Paul Béchat
Inovel Parc Sud
7, rue Général Valérie André
78140 Vélizy - Villacoublay
FRANCE
Tel: +33 146 29 81 00
Fax: +33 146 29 8770
Customer Support Centers (CSC)
For AOG (commercial and technical): aogcsc.sls@safrangroup.com
For Europe - Africa - Middle East customers: eamecsc.sls@safrangroup.com
Tel: +33 1 5521 2590
For Americas customers: americascsc.sls@safrangroup.com
Tel: +1 404 305 2626
For Asia-Pacific customers: asiacsc.sls@safrangroup.com
Tel: +65 6245 5688
Repair and Overhaul Facilities
Safran Landing Systems Canada Inc.
574 Monarch Avenue
Ajax, Ontario
L1S 2G8
CANADA
Tel: 905-683-3100
Fax: 905-683-0378
Safran Landing Systems 
Services UK Ltd
Meteor Business Park
Cheltenham Road
Gloucester GL2 9QL
ENGLAND
Tel: +44(0)1452 713111
Fax: +44(0)1452 716500
Safran Landing Systems SAS
3, rue Antoine de St Exupery, 
BP110
67124 Molsheim Cedex
FRANCE
Tel: (33) 38838 9200
Fax: (33) 38838 9399
Safran Landing Systems Services 
Singapore Pte Ltd
21 Loyang Crescent, 
Loyang Industrial Estate
SINGAPORE 508985
Tel: (65) 6545 9455
Fax: (65) 6542 3936
Safran Landing Systems 
Services Americas SA de CV
Av. La Noria
Parque Industrial Querétaro
Carretera QRO-SLP, Km. 28.5
Querétaro, QRO 76220
MEXICO
Tel: +52 (442) 19 25 800
Fax:+52 (442) 19 25 801
HYDREP Aéroport de 
Dinard-Pleurtuit-Saint-Malo
Bâtiment 20
BP90154
35801 DINARD Cedex
FRANCE
Tel: (33) 2 99 82 79 79
Fax: (33) 2 99 82 79 97
Nov 3/2021 (Revision 4)

### Page 11

Appendix A
Service Bulletin No. 201-32-68
Page 1 of 1
SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Cheltenham Road, Gloucester, GL2 9QH, England
Telephone: +44 (0) 1452 712424
www.safran-landing-systems.com
SERVICE BULLETIN
 ©SAFRAN LANDING SYSTEMS 2021 (AND SUBSEQUENT REVISION PAGE DATES)
This document and all information contained herein is the sole property of Safran Landing Systems (and/or its affiliated compa nies). No
intellectual property rights are granted by the delivery of thi s document or the disclosure of its content. This document shal l not be
reproduced to a third party without the express written consent of Safran Landing Systems (and/or the appropriate affiliated company).
APPENDIX A
AIRBUS A321-100/A321-200 - MAIN LANDING GEAR
PROFORMA FOR REPORTING THE SLIDING TUBE INSPECTION RESULTS
Customer Details
Contact Name:
Contact Tel. Number:
Contact E-mail Address:
Aircraft Details
Operator: Aircraft Reg:
Aircraft MSN: Aircraft TSN: Aircraft CSN:
M.L.G Serial No: M.L.G TSN: M.L.G CSN:
Sliding Tube Details
Part Number: 201522353 TSN:
Serial No: CSN:
SLIDING TUBE VISUAL INSPECTION RESULTS (Tick box as necessary)
Inspection of the four 6,5 + 0,2 mm (0.0256 + 0.008 in) holes in the sliding tube 
Are there burrs where the holes run into the faces in 
any of the eight places examined?
Yes No 
Examined By (Print Name and Sign):
Job Title:
Company/Airline:
Date:
Return Address For Proforma Appendix A
E-mail: pselgi.vel.sls@safrangroup.com
Nov 3/2021 (Revision 4)

### Page 12

SAFRAN LANDING SYSTEMS UK Ltd
CAGE: K0654
Cheltenham Road, Gloucester, GL2 9QH, England
Telephone: +44 (0) 1452 712424
www.safran-landing-systems.com
SERVICE BULLETIN
 ©SAFRAN LANDING SYSTEMS 2021 (AND SUBSEQUENT REVISION PAGE DATES)
This document and all information contained herein is the sole property of Safran Landing Systems (and/or its affiliated compa nies). No
intellectual property rights are granted by the delivery of thi s document or the disclosure of its content. This document shal l not be
reproduced to a third party without the express written consent of Safran Landing Systems (and/or the appropriate affiliated company).
AIRBUS A321-100/A321-200 MAIN LANDING GEAR
SERVICE BULLETIN 201-32-68
TRANSMITTAL LETTER FOR REVISION 4
DATED NOV 3/2021
1. REASON.
A. To remove Appendix B from the Service Bulletin.
B. To update Para 1.C.(1) Reason.
C. To remove Para 1.D.(1)(a) from Description.
2. ACTION
A. Remove and destroy existing pages 1 to 10 and substitute revi sed pages 1 to 10 dated Nov
3/2021.
B. Remove and destroy existing Appendix A page 1 and substitute revised Appendix A page 1
dated Nov 3/2021.
C. Remove and destroy existing Appendix B pages 1 and 2.
3. PREVIOUS REVISION/ISSUE DETAILS
Revision Status Date
A. Initial Issue                                             Sep  9/2015
B. Rev 1                                                      No v 1/2016
C. Rev 2                                                      Oc t 3/2017
D. Rev 3                                                      Ja n 8/2020

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