# Bombardier Service Bulletin 100-32-33

Copy: Revision 02 ("SB 100-32-33 Rev 02"), 19 pages: PDF https://openairdocs.org/files/sha256/2a/f7/2af7eb9bf67ca0af4ed2417236443c37cdc10d4d4aca6dbbe6a899178b0af415; text https://openairdocs.org/service-documents/bombardier/sb-100-32-33/file/2af7eb9bf67c.md. Rights: © Bombardier Inc. Filed by the FAA in regulations.gov docket FAA-2020-0458; AD 2020-25-06 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: 100-32-33
- Latest revision known: 100-32-33, Revision 02, dated September 30, 2019 (OpenAirDocs)
- Page: https://openairdocs.org/service-documents/bombardier/sb-100-32-33

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

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

- [AD 2020-25-06](https://openairdocs.org/ad/2020-25-06.md), effective Jan 27, 2021: Revisions 01 and 02

Also cited in [1 proposed AD](https://openairdocs.org/service-documents/bombardier/sb-100-32-33/proposed.md).

## Text (19 pages)

Rights: © Bombardier Inc. Filed by the FAA in regulations.gov docket FAA-2020-0458; AD 2020-25-06 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

Discard Revision 01 of this Service Bulletin dated Jul 31/2019, and replace in its entirety
with this Revision 02.
Service Bulletin No. 100−32−33
Date of Basic Issue Oct 31/2018
Revision No. Basic Dated Oct 31/2018
Revision No. 01 Dated Jul 31/2019
Revision No. 02 Dated Sep 30/2019
This revision has no effect for aircraft on which the Basic Issue or Revision 01 of this
Service Bulletin was done thus no other action is necessary. Do not sign the log book
if you have not done this revision. Keep the previous log book entry. You may make
an entry as "Not Applicable" for this revision.
This revision is issued to:
1. Add, in Paragraph 1.D., a NOTE.
2. Make miscellaneous minor changes, as necessary, with no change of context.
SERVICE BULLETIN
MODEL BD−100−1A10 (CH−300)
100−32−33
Page 1 of 1
REVISION TRANSMITTAL SHEET

### Page 2

MODIFICATION - NOSE LANDING GEAR (NLG) - SHOCK STRUT CYLINDER
ASSEMBLY CORROSION INSPECTION AND MODIFICATIONS TO IMPROVE
CORROSION RESISTANCE AND SLEEVE INSTALLATION
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
Refer to Paragraph 1.D.
EFFECTIVITY: A/C Serial No. 20003 to 20500
MANPOWER: 24 man−hours.
CONTINUED AIRWORTHINESS (CAW)
FLEET CAMPAIGN NOYES
TLMC, CH 5 AFFECTED YES NO
KITS and/or PARTS YES NO
TOOLING/GSE YES NO
PLANNING INFORMATION: See important
information at the start of Paragraph 1. YES NO
DEDICATED SCHEDULE YES NO
PREREQUISITE SERVICE BULLETINS: N/A
NOTE: This Service Bulletin may be subject to an Airworthiness Directive which will make
it necessary to implement this Service Bulletin.
To place an order for parts or kits, please call Bombardier Aerospace Parts Services
at:
514−855−2999 or 1−866−538−1247
SERVICE BULLETIN SUMMARY
my.businessaircraft.bombardier.com
MODEL BD−100−1A10 (CH−300)
ATA 32−21
LANDING GEAR
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 1 of 1
This Service Bulletin is available at:

### Page 3

MODIFICATION - NOSE LANDING GEAR (NLG) - SHOCK STRUT CYLINDER
ASSEMBLY CORROSION INSPECTION AND MODIFICATIONS TO IMPROVE
CORROSION RESISTANCE AND SLEEVE INSTALLATION
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. 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 100−00−02.
3. The dedicated schedule is only applicable to the NLG that are
inspected/reworked on a non−schedule inspection post 96 months.
4. After incorporation of this Service Bulletin, Service Bulletin 100−32−10 is
no longer applicable.
A. Effectivity
BD−100−1A10 aircraft, Serial No. 20003 to 20500.
Refer to the table that follows for the configuration of the affected Nose Landing
Gear (NLG) Assembly to be reworked:
SERVICE BULLETIN
my.businessaircraft.bombardier.com
MODEL BD−100−1A10 (CH−300)
ATA 32−21
LANDING GEAR
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.
 2018−2019 Bombardier Inc.  All rights reserved
Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 1 of 15
This Service Bulletin is available at:

### Page 4

NOSE LANDING GEAR ASSEMBLY IDENTIFICATION
PART NUMBER SB ON MODPLATE
40610−111 −
40610−111 SB100−32−007
40610−111 SB100−32−018
40610−111 SB100−32−007 and SB100−32−018
40610−113 −
40610−113 SB100−32−018
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 Aerospace Service Bulletin(s).
B. Reason
1. Condition:
There may be corrosion on the NLG shock strut cylinder assembly under the
sleeve for the steering cuff.
2. Evidence:
Some Challenger 300 sleeves were removed and corrosion was found
underneath on the shock strut cylinder. In some cases, the corrosion was found
to be beyond repair limits.
3. Objective/Benefit:
This Service Bulletin gives instructions to improve the corrosion protection of the
shock strut cylinder and address any corrosion found in the area under the
sleeve with the implementation of SAFRAN Service Bulletin SB100−32−028.
C. Description
This Service Bulletin gives instructions to:
− Lift the complete aircraft with jacks,
− Remove the NLG Shock Strut Assembly from the aircraft,
− Send the NLG Shock Strut Assembly to an approved repair center,
− Install the reworked NLG Shock Strut Assembly on the aircraft, and
− Do the necessary tests to make sure that the system operates correctly.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 2 of 15

### Page 5

D. Compliance
Recommended − Specified Time Compliance
NLG assemblies with less than 96 months TSN, at the time of release of this
Service Bulletin (Revision 01), must incorporate this Service Bulletin at the 96
months inspection.
NLG assemblies with more than 96 months but less than 192 months TSN, at the
time of release of this Service Bulletin (Revision 01), must incorporate this Service
Bulletin as per the table that follows:
NLG ASSEMBLIES WITH TSN
COMPLIANCE TIME FROM SERVICE
BULLETIN RELEASE DATE (REVISION
01)
More than 96 months but less than
108 months
(See Note 1)
Within 56 months
More than 108 months but less
than 120 months
(See Note 1)
Within 50 months
More than 120 months but less
than 132 months
(See Note 1)
Within 44 months
More than 132 months but less
than 144 months
(See Note 1)
Within 36 months
More than 144 months but less
than 156 months
(See Note 1)
Within 27 months
More than 156 months but less
than 174 months
(See Note 1)
Within 18 months
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 3 of 15

### Page 6

NLG ASSEMBLIES WITH TSN
COMPLIANCE TIME FROM SERVICE
BULLETIN RELEASE DATE (REVISION
01)
More than 174 months but less
than 192 months
(See Note 1)
At the NLG months overhaul
NOTES: 1. Except airplanes already rework as per Service Bulletin 100−32−33.
2. As of Service Bulletin (Revision 01) release date, it is prohibited to
allow the installation of the NLG shock strut Part No. 40630−111 and
113 without the incorporation of this Service Bulletin.
3. 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.
E. Approval
The technical content of this Service Bulletin has been approved under the
authority of Transport Canada Civil Aviation (TCCA) Design Approval Organization
(DAO) No. DAO #93−Q−02.
NOTES: 1. The technical content of this Service Bulletin is accepted by the FAA
under the Canada/USA bilateral Aviation Safety Agreement.
2. The technical content of this Service Bulletin is accepted by EASA
under the Canada/EU bilateral Aviation Safety Agreement.
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
100−00−02.
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 man−hours and should be considered for
planning purposes before you schedule this Service Bulletin.
24 man−hours are necessary to do this Service Bulletin.
Bombardier Aerospace does not pay for the labor when this Service Bulletin is
performed at the 96 months inspection.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 4 of 15

### Page 7

For aircraft performing this Service Bulletin POST 96 months inspection, 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
No kit is necessary to do this Service Bulletin.
The parts in Paragraph 3.B. may be necessary to do this Service Bulletin.
Bombardier Aerospace does not pay for the parts to do this Service Bulletin.
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 100−00−02.
NOTE: The dedicated schedule is only applicable to the NLG that are
inspected/reworked on a non−schedule inspection post 96 months.
Bombardier Aerospace, Parts Services in Montreal is maintaining a rotable pool to
support this program. Contact Parts Services for details.
NOTE: The rotable pool is only applicable to the NLG shock strut assembly that
are inspected/reworked on a non−schedule inspection post 96 months.
Send units for rework to Bombardier Aerospace at one of the two addresses given
below:
Learjet Inc. − Core Returns
251−A Wille Road
Des Plaines, Illinois
60018−1861
USA
or
Distribution Centre Frankfurt − Core Returns
Bombardier Aerospace Germany Gmb H
Hans−Boeckler−Strasse 9
GROSS−GERAU Hesse 64521
Germany
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 5 of 15

### Page 8

Refer to your Material Return Authorization (MRA) form to find the applicable return
address.
NOTE: Bombardier Aerospace is maintaining a rotable pool of replacement NLG
shock strut assemblies, to be supplied to the operators under the terms
and conditions given below:
− The removed NLG shock strut assembly must be returned to
Bombardier Aerospace, Parts Services in less than 10 days of receipt
of replacement unit, with documentation showing the serial number of
the aircraft.
− If the removed NLG shock strut assembly is not returned in less than
10 days, the operator will be charged for the replacement unit.
NOTE: The rotable pool is only applicable to the NLG that are inspected/reworked
on a non−schedule inspection post 96 months.
For all parts transactions, Bombardier Aerospace’s current Spare Parts and
Component Repair Price Catalogue General Terms and Conditions apply. These
terms and conditions are found on the Bombardier Customer Portal at:
my.businessaircraft.bombardier.com
For special pricing conditions from Bombardier, contact your Regional Sales
Manager or refer to the 100−32−33 Conditions for Pricing and Smart Services
information document.
For those Aircraft enrolled in a Smart Parts program:
Smart Parts provides one time cost coverage for the hydraulic preformed packing
listed in Paragraph 3.B. of this Service Bulletin and kits and detail parts required to
implement the SAFRAN Service Bulletin referenced in Paragraph 1.B.(3) of this
Service Bulletin within its time compliance when ordered from Bombardier. Labor
and fittings such as the shock strut cylinder are excluded.
For those Aircraft enrolled in a Smart Parts program with Landing Gear
Overhaul optional coverage:
For additional cost coverage provided under the Smart Parts Landing Gear
Overhaul add−on option, contact Smart Services Montreal or refer to the
100−32−33 Conditions for Pricing and Smart Services information document.
Contact your Regional Sales Manager for information regarding enrollment into a
Smart Parts program with Landing Gear Overhaul optional coverage or the addition
of optional coverage to an existing Smart Parts agreement.
H. Tooling
The equipment and tools listed below are necessary to do this Service Bulletin:
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 6 of 15

### Page 9

GSE
REFERENCE
NO.
PART NO. DESCRIPTION
07−10−01 G1000700001−001 Pads, Jacking Kit
07−10−03 02−7856−0100 Jack, Forward Fuselage
07C−10−04 − MLG/NLG Axle Jack (12 Tons (10886 kg))
07C−10−06 03−5822−0000 Support, Rear Fuselage
12−10−09 06−4035−0500 Unit − Hydraulic Oil Servicing(MIL−PRF−5606) (8 US Gal.)
12−20−03 14−6805−6010 Strut Servicing Kit (Air/Nitrogen)
12X−20−02 18−4208−0010 Nitrogen Servicing Unit
12−30−05 2755 Tire Deflation Tool
20−00−03 LG100 Force Gauge (0−100 lbs)
24−00−24 S4933959−501 Tag, Circuit Breaker
27C−00−02 G1002720042−063 Kit − Rigging Pin
32C−00−04 CAT 5881−1 NLG Lifting Bar
32C−00−05 CAT 5881−14 NLG Handling Bar
32C−00−07 CAT 5881−17 Nose Landing Gear "L" Bar
32C−10−04 CAT 5881−4 Shock Strut Trunnion Pin Extractor
32C−20−02 G1003220001−063 Kit − NLG Doors Instrumented Rods
32C−21−02 G1003210001−001 Adapter − NLG Servicing
32C−22−01 DSK20999N04−001 Nose Landing Gear Door SpringPuller
32C−40−02 CAT5881−6 NLG Protective Cone
32−40−03 LDH562 NLG Axle Socket 1−3/4"
32C−51−01 CAT5883−1 SCU Breakout Box
32C−51−02 G1003251001−003 SCU/PC Interface Cable
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 7 of 15

### Page 10

GSE
REFERENCE
NO.
PART NO. DESCRIPTION
Commercially
Available − Container, Hydraulic Fluid [5 U.S.Gal (18.92 Liter)]
Commercially
Available − Wrench, Torque 10 to 15 lbf in (1.36to 1.69 Nm)
Commercially
Available − Wrench, Torque 25 to 30 lbf in (2.83to 3.38 Nm)
Commercially
Available − Wrench, Torque 80 to 100 lbf in(9.04 to 11.29 Nm)
Commercially
Available − Wrench, Torque 135 to 190 lbf in(15.26 to 21.6 Nm)
Commercially
Available − Wrench, Torque 17.92 to 23.33 lbf ft(24.30 to 31.63 Nm)
NOTES: 1. Refer to the BD−100 Illustrated Tool and Equipment Manual (ITEM) to
make sure that you use the correct equipment configuration.
2. Refer to the Liability Statement in the ITEM for the BD−100, for
acceptable GSE equivalents.
I. Weight and Balance
No change.
J. Electrical Load Data
No change.
K. References
− TCCA Airworthiness Directive, (Pending).
− Bombardier Aerospace, Modification Summary, BB100T010943, Rev. A.
− Bombardier Aerospace, Restriction and/or Special Instruction (RSI),
C−100−000−32−0171, Rev. B.
− Bombardier Aerospace, Kit Drawing K1000070427, Rev. −−.
− Bombardier Aerospace, Standard Practices Manual (SPM), Chapter 20.
− Bombardier Aerospace, SB 100−00−02, Service Bulletin Description and Policy.
− Bombardier Aerospace, SB 100−32−33, Conditions for Pricing and Smart
Services Information Document (attached).
− SAFRAN Landing Systems, Service Bulletin SB100−32−028.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 8 of 15

### Page 11

− SAFRAN Landing Systems, Component Maintenance Manual (CMM),
Chapter 32.
− CH 300 Aircraft Maintenance Manual (AMM), Chapters 6, 24, 29 and 32.
− CH 300 Illustrated Tool and Equipment Manual (ITEM) Chapters 7, 24 and 32.
L. Other Publications Affected
− CH 300 Aircraft Illustrated Parts Catalog (AIPC), Chapter 32.
− CH 300 Time Limits/Maintenance Checks (TLMC), Revision 19 dated
Dec.18/2017
M. Equivalent Service Bulletins
For the Challenger 350 aircraft, use Service Bulletin 350−32−009.
2. ACCOMPLISHMENT INSTRUCTIONS
NOTES: 1. All TASKs given in the procedures that follow are from the BD−100,
Aircraft Maintenance Manual unless otherwise specified.
2. All references made to zones, access panels and/or doors, are from the
BD−100, Aircraft Maintenance Manual, Chapter 6.
A. Aircraft Setup
NOTE: The steps in the Aircraft Setup section of this Service Bulletin are
recommended steps. The steps give a recommendation to get access to
the work area. This recommendation is to give a safe work area and to
minimize possible damage to surrounding aircraft parts. Alternative steps
can be used at the operator’s discretion.
(1) Obey all electrical/electronic safety precautions. Refer to
AMM 24−00−00−910−801.
(2) Obey all the hydraulic safety precautions. Refer to AMM 29−00−00−910−801.
(3) Obey all the hydraulic technical precautions. Refer to
AMM 29−00−00−910−802.
(4) Obey the landing−gear safety precautions. Refer to AMM 32−00−00−910−801.
(5) Disconnect electrical power to the aircraft. Refer to AMM 24−00−00−861−802.
B. Modification − For Aircraft that Incorporate This Service Bulletin at the 96
months Inspection
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) Remove the Nose Landing Gear (NLG) shock strut assembly. Refer to
AMM 32−21−05−000−801.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 9 of 15

### Page 12

(2) Send the NLG Shock Strut Assembly to an authorized repair center to perform
SAFRAN Service Bulletin SB100−32−028.
(3) Install the reworked Nose Landing Gear (NLG) shock strut assembly. Refer to
the table that follows for the correctly identified shock strut assembly to install
and to AMM 32−21−05−400−801.
SHOCK STRUT ASSEMBLY IDENTIFICATION
REMOVED INSTALL
PART
NUMBER
SB ON
MODPLATE
PART
NUMBER
SB ON MODPLATE
40630−111 No SB 40630−111 SB 100−32−028
40630−111 SB 100−32−007 40630−111 SB 100−32−007, SB100−32−028
40630−111 SB 100−32−007,SB 100−32−018 40630−111 SB 100−32−007, SB100−32−018, SB100−32−028
40630−111 SB 100−32−018 40630−111 SB 100−32−018, SB100−32−028
40630−113 No SB 40630−113 SB 100−32−028
40630−113 SB 100−32−018 40630−113 SB 100−32−018, SB100−32−028
C. Modification − For Aircraft that Incorporate This Service Bulletin POST 96
months Inspection
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) Remove the Nose Landing Gear (NLG) shock strut assembly. Refer to
AMM 32−21−05−000−801.
(2) Send the NLG shock strut as instructed in Paragraph 1.G., to have SAFRAN
Service Bulletin 100−32−028 performed.
(3) Install the reworked Nose Landing Gear (NLG) shock strut assembly. Refer to
the table that follows for the correctly identified shock strut assembly to install
and to AMM 32−21−05−400−801.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 10 of 15

### Page 13

SHOCK STRUT ASSEMBLY IDENTIFICATION
REMOVED REPLACE WITH
PART
NUMBER
SB ON
MODPLATE
PART
NUMBER
SB ON MODPLATE
40630−111 No SB
40630−111
SB 100−32−028
or
SB 100−32−007, SB
100−32−028
or
SB 100−32−018, SB
100−32−028
or
SB 100−32−007, SB
100−32−018, SB
100−32−028
40630−113
SB 100−32−028
or
SB 100−32−018, SB
100−32−028
40630−115 No SB
40630−111 SB 100−32−007
40630−111
SB 100−32−028
or
SB 100−32−007, SB
100−32−028
or
SB 100−32−018, SB
100−32−028
or
SB 100−32−007, SB
100−32−018, SB
100−32−028
40630−113
SB 100−32−028
or
SB 100−32−018, SB
100−32−028
40630−115 No SB
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 11 of 15

### Page 14

SHOCK STRUT ASSEMBLY IDENTIFICATION
REMOVED REPLACE WITH
PART
NUMBER
SB ON
MODPLATE
PART
NUMBER
SB ON MODPLATE
40630−111 SB 100−32−007,SB 100−32−018
40630−111
SB 100−32−007, SB
100−32−018, SB
100−32−028
40630−113 SB 100−32−018, SB100−32−028
40630−115 No SB
40630−111 SB 100−32−018
40630−111
SB 100−32−018, SB
100−32−028
or
SB 100−32−007, SB
100−32−018, SB
100−32−028
40630−113 SB 100−32−018, SB100−32−028
40630−115 No SB
40630−113 No SB
40630−113
SB 100−32−028
or
SB 100−32−018, SB
100−32−028
40630−115 No SB
40630−113 SB 100−32−018
40630−113 SB 100−32−018, SB100−32−028
40630−115 No SB
D. Close−out
NOTE: The steps in the Close−out section of this Service Bulletin, except for the
return−to−service tests, are recommended steps. The steps give a
recommendation to install components removed during the Aircraft Setup.
This recommendation is to make sure that the aircraft is safe and ready to
return to service. Alternative steps can be used at the operator’s
discretion.
Remove all tools, equipment and unwanted materials from the aircraft.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 12 of 15

### Page 15

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), comments(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. Kits
No kit required.
B. Parts
The part that follows is necessary to do this Service Bulletin:
NEW PART NO. QTY ITEM USED PARTNO. INSTRUCTIONS- DISPOSITION
M83461−1−026 4
Packing
Preformed,
Hydraulic
M83461−1−025 Discard
MS24665−153 3 Pin, Cotter MS24665−134 Discard
MS24665−300 2 Pin, Cotter MS24665−283 Discard
NOTE: The part number(s) for the item(s) listed above are/is subject to change
without revision to this Service Bulletin. In case of discrepancy between
this list and any other list, the Illustrated Parts Catalog prevails and shall
be used to determine the latest part number.
C. Material
The materials that follow, or equivalent, are necessary to do this Service Bulletin.
These can be purchased from a local supplier. Bombardier Aerospace does not pay
for these consumable.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
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### Page 16

DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY
SUPPLIER
(SEE
NOTE)
Fluid,
Hydraulic,
Phosphate
Ester
Fire−Resistant
−
HYJET IV−A
Plus
Skydrol LD−4
Skydrol
500B−4
BAMS 564−003
Type IV As Necessary Code: A
Grease,
Aircraft and
Instrument,
Gear and
Actuator
Screw
Aeroshell 33 MIL−PRF−23827CType I As Necessary Code: B
Compound,
Sealing,
Pressure and
Environmental,
Non
Chromate
AC−735 BAMS 552−008Class B As Necessary C
Compound,
Sealing,
Pressure and
Environmental,
Non
Chromate
MC−780 BAMS 552−008Class B As Necessary D
Compound,
Corrosion
Inhibitor
Cor−Ban 27L − As Necessary Code: E
Compound,
Sealing − MIL−PRF−81733Type I or Type II As Necessary Code: E
Compound,
Sealing and
Coating,
Corrosion
Inhibitive
− MIL−PRF−81733 As Necessary Code: E
Grease, Long
− Term
Lubrication
Molykote DX
Dow Corning − As Necessary Code: E
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 14 of 15

### Page 17

DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY
SUPPLIER
(SEE
NOTE)
Lockwire MS20995C32 CRES 0.032 in(0.81 mm) As Necessary Code: E
Valve
Lubricant and
Sealant
Dow Corning
111 − As Necessary Code: E
NOTES: 1. Refer to the table that follows for each suppliers address listed by
codes.
2. The Curing Time (CT), if applicable, for each consumable material is
indicated with the description of each product.
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
Solutia Inc.
J.F. Queeny Plant 201 Russel Blvd.
St−Louis, MO, 63104
U.S.A.
Tel.: 1−800−426−7022
www.solutia.com
Code: B
Shell Canada Limited
400 4th Avenue S.W.
Calgary, Alberta
Canada, T2P 0J4
Tel.: 1−877−656−3111
www.shell.ca
Code: C
3M
7341 Anaconda Ave.
Garden Grove, CA
U.S.A. 92841
Tel.:
www.3M.com
Code: D
Chemetall GmbH
Innerstetal 2,
Langelsheim, 03, DE
38685
Tel.: 1−877−656−3111
www.shell.ca
Code: E
Commercially Available
D. Publications
No publications required.
MODEL BD−100−1A10 (CH−300)
Basic Issue: Oct 31/2018
Revision 02: Sep 30/2019
100−32−33
Page 15 of 15

### Page 18

100−32−33 Rev. 02 Sep 30/2019
MODIFICATION − NOSE LANDING GEAR (NLG) − SHOCK STRUT
CYLINDER ASSEMBLY CORROSION INSPECTION AND
MODIFICATIONS TO IMPROVE CORROSION RESISTANCE AND
SLEEVE INSTALLATION
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 19

SERVICE BULLETIN INCORPORATION SHEET − "100−32−33"
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.
100−32−33 02
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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