# Bombardier Service Bulletin 700-35-6502

Copy: No revision named ("700-35-6502 Basic"), 10 pages: PDF https://openairdocs.org/files/sha256/b8/b1/b8b164834598a8470b791fe4efe2506f584bb49d6eaf33921f03d180b78defc5; text https://openairdocs.org/service-documents/bombardier/sb-700-35-6502/file/b8b164834598.md. Rights: © Bombardier Inc. Filed by the FAA in regulations.gov docket FAA-2022-0470; AD 2022-14-07 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

## Details

- Manufacturer: [Bombardier](https://openairdocs.org/service-documents/bombardier.md)
- Type: Service bulletin (Service Bulletin)
- Number: 700-35-6502
- Page: https://openairdocs.org/service-documents/bombardier/sb-700-35-6502

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

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

- [AD 2022-14-07](https://openairdocs.org/ad/2022-14-07.md), effective Aug 19, 2022: No revision named

## Text (10 pages)

Rights: © Bombardier Inc. Filed by the FAA in regulations.gov docket FAA-2022-0470; AD 2022-14-07 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

SPECIAL CHECK/MODIFICATION – OXYGEN SUPPLY SYSTEM –
OXYGEN BOX MANIFOLD REPLACEMENT
The information below is provided for your reference. For full details, including labor and part
coverage, please see corresponding paragraph contained within this bulletin.
RECOMMENDED
SPECIFIED TIME COMPLIANCE
COMPLIANCE TIME
See Paragraph 1.D. for details
EFFECTIVITY: A/C Serial No. 9861, 9872, and 60001 to 60042
MANPOWER: 2 man−hours are necessary for the modification of one oxygen box.
CONTINUED AIRWORTHINESS (CAW)
FLEET CAMPAIGN YES NO
TLMC, CH 5 AFFECTED NOYES
KITS and/or PARTS YES NO
TOOLING/GSE NOYES
PLANNING INFORMATION NOYES
DEDICATED SCHEDULE YES NO
PREREQUISITE SERVICE BULLETINS: N/A
NOTE: This Service Bulletin may be subjected to an Airworthiness Directive which will
make it necessary to implement this Service Bulletin.
To place an order for kits, please call Bombardier Aviation Parts Services at:
514−855−2999 or 1−866−538−1247
SERVICE BULLETIN SUMMARY
my.businessaircraft.bombardier.com
MODEL BD−700−1A10 (BD−700)
ATA 35−11
OXYGEN SYSTEM
Basic Issue: Aug 27/2021 700−35−6502
Page 1 of 1
This Service Bulletin is available at:

### Page 2

SPECIAL CHECK/MODIFICATION – OXYGEN SUPPLY SYSTEM –
OXYGEN BOX MANIFOLD REPLACEMENT
1. PLANNING INFORMATION
NOTES:1 . Before you do this Service Bulletin, examine all STC, STA or
equivalent action changes to make sure that this Service Bulletin can
be completed.
2. For any technical issues, contact CSE, Technical Support, Global Express
by e−mail at SRPSA@aero.bombardier.com.
3. This Service Bulletin is covered by a dedicated schedule. Dedicated
schedules are used to reserve and manage inventory due to limited
availability of rotable stock, parts and/or kits. Parts are limited, therefore,
advance part scheduling with our In−Service Implementation Team (ISIT)
is recommended prior to a maintenance visit. Please contact your
Regional Manager (RM), Field Service Representative (FSR) or Customer
Service Representative (CSR) to schedule your aircraft as there is a
limited availability. The parts will be allocated on a first come first serve
basis.
For more information on dedicated schedules, refer to SB 700−00−6502.
A. Effectivity
BD−700−1A10 aircraft, Serial No. 9861, 9872, and 60001 to 60042.
NOTE: The instructions given in this Service Bulletin are only applicable to the
systems and parts installed at the time of delivery of the aircraft or as
changed by Bombardier Aviation Service Bulletin(s).
SERVICE BULLETIN
my.businessaircraft.bombardier.com
MODEL BD−700−1A10 (BD−700)
ATA 35−11
OXYGEN SYSTEM
Refer to applicable governmental agency regulations and requirements and make sure that the work described in this
Service Bulletin is performed in compliance with manufacturer’s recommendations and/or acceptable industry standards.
This document is proprietary to Bombardier Inc. and/or its affiliates and may not be reproduced or copied in any form or
by any means without the prior written consent of Bombardier Inc. and/or its affiliates.
 2021 Bombardier Inc.  All rights reserved
Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.
Basic Issue: Aug 27/2021 700−35−6502
Page 1 of 7
This Service Bulletin is available at:

### Page 3

B. Reason
1. Condition:
Investigation has revealed that some oxygen box assemblies were not working
properly during mask deployment test.
2. Objective/Benefit:
This Service Bulletin introduces to inspect and replace the defective Dual
Manifold Assembly in the oxygen box assembly.
C. Description
NOTE: Existing installation, location and quantity within the aircraft cabin may
vary. This Service Bulletin is to be performed on each applicable
installation. Refer to the applicable aircraft specific IPC or SIPC for more
details.
This Service Bulletin gives instructions to:
− Get access to all oxygen boxes,
− Verify if Dual Manifold Assembly Serial Number and Lot Number are affected
before the modification,
− Disassemble the oxygen box assembly,
− Replace the dual manifold assembly,
− Assemble the oxygen box assembly with the correct mask packing,
− Install the new middle bracket assembly,
− Identify the applicable oxygen boxes as modified by Service Bulletin
B431655−35−01,
− Do the necessary tests to make sure the system operates correctly, and
− Close access to all oxygen boxes.
D. Compliance
Specified Time Compliance
For Aircraft Serial No. 9861 and 9872, this Service Bulletin is recommended within
four months from the Service Bulletin release date (Basic Issue).
For Aircraft Serial No. 60001 to 60042, this Service Bulletin is recommended within
30 months from the Service Bulletin release date (Basic Issue).
NOTE: If it is not possible to complete all the instructions in this Service Bulletin
because of the aircraft configuration, submit an SRPSA for analysis and to
get an approved disposition to complete this Service Bulletin.
Standard SRPSA fees may apply. Refer to the Services section of the
Bombardier customer portal for the latest prices, rates and fees.
MODEL BD−700−1A10 (BD−700)
Basic Issue: Aug 27/2021 700−35−6502
Page 2 of 7

### Page 4

E. Approval
This Service Bulletin does not contain modification information that revises the
approved configuration and therefore does not require governmental or other
regulatory approval.
F. Manpower
NOTES: 1. The man−hours given are to help you schedule the tasks given in this
Service Bulletin. The man−hours are for direct labor performed by an
experienced crew and do not include the time for familiarization,
planning, aircraft preparation in hangar such as towing and
positioning of scaffolds, removal of interior furnishings, repainting,
supervision and inspection.
For more information related to the manpower, refer to
SB 700−00−6502.
2. This Service Bulletin may require consumable materials that have
specific curing times (refer to Paragraph 3). The accumulated curing
time is not included in the labor man−hours and should be considered
for planning purposes before you schedule this Service Bulletin.
2 man−hours are necessary for the modification of one oxygen box.
NOTE: Bombardier Aviation does not pay for the labor to do this modification if the
dual manifold assembly Serial number and Lot number are not affected.
The labor required to do this Service Bulletin is at no cost if:
− the work is done at Bombardier Business Aviation Services (BBAS) or
Authorized Service Facilities (ASF).
G. Material − Cost and Availability
Kit 700K35−5004 is necessary to do this modification.
KIT NO. PRICE
700K35−5004
Please contact Bombardier Aviation
Parts Services, in Montreal, for delivery
lead times and confirmation of prices.
NOTE: A kit is necessary for each oxygen box modification.
This kit is available at no cost for aircraft Serial No. listed in Paragraph 1.A.
This Service Bulletin is covered by a dedicated schedule. Dedicated schedules are
used to reserve and manage inventory due to limited availability of rotable stock,
parts and/or kits. Parts are limited, therefore, advance part scheduling with our
In−Service Implementation Team (ISIT) is recommended prior to a maintenance
visit. Please contact your Regional Manager (RM), Field Service Representative
(FSR) or Customer Service Representative (CSR) to schedule your aircraft as there
is a limited availability. The parts will be allocated on a first come first serve basis.
MODEL BD−700−1A10 (BD−700)
Basic Issue: Aug 27/2021 700−35−6502
Page 3 of 7

### Page 5

For more information on dedicated schedules, refer to SB 700−00−6502.
Smart Parts does not pay for the kit at any time.
H. Tooling
No equipment or special tools are necessary.
I. Weight and Balance
No change.
J. Electrical Load Data
No change.
K. References
− TCCA Airworthiness Directive, (pending).
− C&D Zodiac Aerospace, Service Bulletin B431655−35−01 (attached).
− Global 6500 BD−700 Aircraft Maintenance Manual (AMM), Chapters 06, 24
and 35.
− Global 6500 BD−700 Aircraft Illustrated Parts Catalog (SIPC), Chapter 35.
− Global 6500 BD−700 Aircraft Illustrated Parts Catalog (SMM), Chapter 35.
− Bombardier Aviation, Standard Practices Manual (SPM), Chapters 20 and 51.
L. Other Publications Affected
None.
M. Equivalent Service Bulletins
− For the Global 5000 BD−700−1A11 Featuring Global Vision Flight Deck aircraft,
use SB 700−35−5004.
− For the Global 6000 BD−700−1A10 aircraft, use SB 700−35−6004.
− For the Global 5500 BD−700−1A11 aircraft, use SB 700−35−5502.
MODEL BD−700−1A10 (BD−700)
Basic Issue: Aug 27/2021 700−35−6502
Page 4 of 7

### Page 6

2. ACCOMPLISHMENT INSTRUCTIONS
NOTES: 1. All TASKs given in the procedures that follow are from the Global 6500
BD−700−1A10 Aircraft Maintenance Manual (AMM) unless otherwise
specified.
2. All references made to zones, access panels and/or doors, are from the
Global 6500 BD−700−1A10 Aircraft Maintenance Manual (AMM),
Chapter 6.
3. Existing installation, location and quantity within the aircraft cabin may
vary. This Service Bulletin to be performed on each applicable installation.
Refer to the applicable aircraft specific IPC or SIPC for more details.
A. Aircraft Setup
(1) Obey all electrical/electronic safety precautions. Refer to
AMM 24−00−00−910−801.
(2) Obey all oxygen−system safety precautions. Refer to
AMM 35−00−00−910−801.
(3) Open the Passenger Service Units (PSUs) to access the oxygen box. Refer to
SMM 25−28−54−010−801.
(4) Remove the entry area headliner to access the oxygen box. Refer to
SMM 25−15−52−000−801.
(5) Remove the forward lavatory headliner to get access to the oxygen box. Refer
to SMM 25−41−54−000−801.
(6) Remove the aft lavatory headliner to get access to the oxygen box. Refer to
SMM 25−42−54−000−801.
B. Modification
NOTE: If it is not possible to complete all the instructions in this Service Bulletin
because of the configuration of the aircraft, submit an SRPSA for analysis
and to get an approved disposition to complete this Service Bulletin.
(1) Inspect all passenger oxygen dual manifold assemblies Serial Number and Lot
Number to verify if any are affected.
(a) If affected parts are found, proceed to step (2) for replacement.
(b) If affected parts are not found, no further action is necessary. Go to
Paragraph 2.E. Close−out.
(2) Replace the dual manifold assembly. Refer to C&D Zodiac Aerospace, Service
Bulletin B431655−35−01.
C. Testing
(1) Do a leak test of the passenger oxygen system. Refer to
SMM 35−21−50−790−801.
(2) Do the operational test of the passenger oxygen system. Refer to
SMM 35−21−50−710−801.
MODEL BD−700−1A10 (BD−700)
Basic Issue: Aug 27/2021 700−35−6502
Page 5 of 7

### Page 7

D. Close−out
(1) Close the PSUs. Refer to SMM 25−28−54−410−801.
(2) Install the entry area headliner. Refer to SMM 25−15−52−400−801.
(3) Install the forward lavatory headliner. Refer to SMM 25−41−54−400−801.
(4) Install the aft lavatory headliner. Refer to SMM 25−42−54−400−801.
(5) Remove all tools, equipment and unwanted materials from the aircraft.
E. Recording
When this Service Bulletin is completed, make an entry in the aircraft log and send
the attached Incorporation Notice to Bombardier Business Aircraft Customer
Services (BBACS).
For information, correction(s), comment(s) and/or feedback regarding Service
Bulletins released on the Customer Portal, please contact the Service Bulletin
Group at the following email address:
bbad_SBgroup@aero.bombardier.com
3. MATERIAL INFORMATION
A. Kit
Kit 700K35−5004 is necessary to do this Service Bulletin and contains the parts
that follow:
NEW PART NO. QTY ITEM USED PARTNO. INSTRUCTIONS- DISPOSITION
100−009−39 1
Replacement
Kit, Oxygen
Box Manifold
− −
NOTES: 1. A kit is required for each portable oxygen installation.
2. In case of discrepancy between this list and the Service Bulletin Kit
Parts List contained in the respective kit, then the latter list prevails.
B. Parts
No parts required.
C. Material
The materials that follow, or equivalent, are necessary to do this Service Bulletin.
They can be purchased from a local supplier. Bombardier Aviation does not pay for
these consumables.
MODEL BD−700−1A10 (BD−700)
Basic Issue: Aug 27/2021 700−35−6502
Page 6 of 7

### Page 8

DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY
SUPPLIER
(SEE
NOTE)
Solvent Blend − DS−108 As Necessary Code: A
Teflon Tape −
AA58092−3−1
(Per
MIL−A−A−58092)
As Necessary Code: B
Acetone − ASTM AD329 As Necessary Code: C
Isopropyl Alcohol − TT−I−735 orASTM AD770 As Necessary Code: C
Methyl−Ethyl−Ketone
(MEK) − TT−M−261 As Necessary Code: C
Pen −
Felt−Tip Pen
(water
Resistant
Paint)
As Necessary Code: C
NOTES: 1. Equivalent substitute materials may be used.
2. Refer to the table that follows for each suppliers address listed by
codes.
3. At time of release of this Service Bulletin, the information on the
supplier was valid and accurate. In the event that this information has
changed, the operator is encouraged to use the World Wide Web to
find a local supplier.
SUPPLIERS ADDRESSES BY CODES
Code: A
Socomore
2905 Shamrock Ave.
Fort Worth, TX 76107 1314
USA
Code: B
McMaster−Carr supply Company
9630 Norwalk Blvd
Santa Fe Springs, CA 90670 2932
USA
Code: C
Commercially Available
D. Publications
No publications required.
MODEL BD−700−1A10 (BD−700)
Basic Issue: Aug 27/2021 700−35−6502
Page 7 of 7

### Page 9

700−35−6502 Basic Aug 27/2021
SPECIAL CHECK/MODIFICATION – OXYGEN SUPPLY SYSTEM –
OXYGEN BOX MANIFOLD REPLACEMENT
bbad_SBgroup@aero.bombardier.com
NOTE: Please use Salesforce only for troubleshooting issues or when Engineering
deviation is necessary to accomplish the Service Bulletin modification.
SERVICE BULLETIN EVALUATION FORM
(Your ideas will help us provide better bulletins)
SERVICE BULLETIN: ISSUE: DATED:
TITLE:
For any information, correction(s), comment(s) and/or feedback regarding Service
Bulletins released on the Customer Portal, please contact the Service Bulletin Group
at the following email address:

### Page 10

SERVICE BULLETIN INCORPORATION SHEET − "700−35−6502"
Upon completion of the Service Bulletin, please fill−in, fax to
(514) 855−8798 or e−mail to Fracas at fracas.montreal@aero.bombardier.com
If you’re reporting Service Bulletin (SB) Incorporations to CAMP, sending
this Incorporation Sheet to Bombardier is not mandatory. If your aircraft is
on another tracking system, please contact Bombardier to make arrangements
for automated data submission.
700−35−6502 Basic
COMPLIED WITH
YES    NO    N/A
Actual hours to accomplish Service Bulletin:
* NOTES:
Aircraft Serial No. Aircraft Reg. No.
Airframe Hours: Airframe Landings
S.B. Incorporation Date Service Order No.
Facility incorporating S.B.
Name Signature Date
BOMBARDIER
SUBMISSION
Service Bulletin
Number
Rev. * Parts
Completed
Remarks/Reason
(Mandatory if N/A)
1. Where the Service Bulletin is divided into a number of parts (e.g., PARTS A,
B, C, D, etc.) which can be carried out separately, indicate only those parts
completed at this time.
2. For repetitive checks (usually PART A) only the initial check should be
reported unless otherwise stated in the Service Bulletin.
3. When more than one part is carried out at the same time, each part should
be reported.
4. Fill in ’Remark/Reason’ to explain compliance method when N/A is selected.(E.g. Part
not installed, N/A by effectivity, N/A by Part Serial Number, etc.
5. PCW means ’Previously Complied With’.
(dd/mm/yy)
Signature not required if sent by E−Mail (dd/mm/yy)

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