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SPECIAL CHECK/MODIFICATION – DC POWER CENTER (DCPC) SYSTEM –
INSTALLATION OF PROTECTIVE TAPE ON THE LEFT DCPC CARD CAGE 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: 2 man−hours
CONTINUED AIRWORTHINESS (CAW)
FLEET CAMPAIGN NOYES TLMC, CH 5 AFFECTED NOYES 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 NOYES PREREQUISITE SERVICE BULLETINS: SB 100−24−29 is a prerequisite and must be done before or at the same time as this Service Bulletin.
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, please call Bombardier Aviation 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 24−61
ELECTRICAL POWER Basic Issue: Nov 29/2022 100−24−30 Page 1 of 1 This Service Bulletin is available at:
SPECIAL CHECK/MODIFICATION – DC POWER CENTER (DCPC) SYSTEM –
INSTALLATION OF PROTECTIVE TAPE ON THE LEFT DCPC CARD CAGE
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 only applicable for aircraft with left DC Power Center (DCPC) part number 975GC02Y07.
3. SB 100−24−29 is a prerequisite and must be done before or at the same time as this Service Bulletin.
A. Effectivity BD−100−1A10 aircraft, Serial No. 20003 to 20500.
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).
B. Reason
1. Condition:
Reports found that aircraft may experience penetration of dust on logic and protection boards of left DC Power Center (DCPC), which can lead to misleading indication.
SERVICE BULLETIN my.businessaircraft.bombardier.com MODEL BD−100−1A10 (CH−300) ATA 24−61
ELECTRICAL POWER 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.
2022 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.
Basic Issue: Nov 29/2022 100−24−30 Page 1 of 7 This Service Bulletin is available at:
2. Objective/Benefit:
This Service Bulletin instructs to install a protective layer of tape on the left DCPC card cage to prevent future contamination of electronic boards and thereby prevent misleading indication and repetitive cleaning.
C. Description This Service Bulletin gives instructions to:
− Get access to the left DCPC, Part No. 975GC02Y07.
This Service Bulletin gives instructions in PART A, to:
− Establish the left DCPC total flight hours.
This Service Bulletin gives instructions in PART B, to :
− Do the modification of the left DCPC, Part No. 975GC02Y07, as given in the attached Safran Electrical & Power (ECE), Service Bulletin 975GC02Y−24−020, and − Re−identify the left DCPC after modification.
After PART B, as applicable:
− Do the necessary tests to make sure that the system operates correctly.
D. Compliance Recommended on or before Dec 31/2023.
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.
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.
MODEL BD−100−1A10 (CH−300) Basic Issue: Nov 29/2022 100−24−30 Page 2 of 7
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 100−00−002.
2. Labor hours are based on the fact that the modification will be done at the next scheduled maintenance task or inspection. Therefore no man−hours are allotted to prepare the aircraft for maintenance or to prepare for this Service Bulletin.
2 man−hours are necessary to do this modification.
Bombardier Aviation does not pay for the labor to do this Service Bulletin.
G. Material − Cost and Availability No kit is necessary to do this modification.
The parts in Paragraph 3.B. are necessary to do this Service Bulletin.
The parts are available at no cost if:
− a no−charge purchase order is sent to Bombardier Aviation before Dec 31/2023.
For all parts transactions, Bombardier Aviation’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 those aircraft out of new aircraft warranty at the time of Service Bulletin release, Smart Parts pays for the parts for up to Dec 31/2023.
H. Tooling The equipment and tools listed below are necessary to do this modification:
GSE REFERENCE NO. PART NO. DESCRIPTION Commercially Available − Permanent Marker (or) Label Printer MODEL BD−100−1A10 (CH−300) Basic Issue: Nov 29/2022 100−24−30 Page 3 of 7
GSE REFERENCE NO. PART NO. DESCRIPTION Commercially Available − Torque Wrench 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.
3. This list is provided for a quick reference. In case of discrepancy between this list and the tool called out in the SPM−WM, Chapter 20, then the tool called in the SPM−WM will prevail. Other approved alternative tools are acceptable and can also be used.
I. Weight and Balance No change.
J. Electrical Load Data No change.
K. References − TCCA Airworthiness Directive (pending).
− Bombardier Aviation, Modification Summary, BB100T011121, Rev. A.
− Bombardier Aviation, Kit Drawing, K1000070496, Rev. −−.
− Safran Electrical & Power (ECE), Service Bulletin 975GC02Y−24−020 (Attached).
− Bombardier Aviation, Standard Practices Manual (SPM), Chapter 51.
− CH 300 Aircraft Maintenance Manual (AMM), Chapters 6, 24 and 52.
L. Other Publications Affected None.
M. Equivalent Service Bulletin − For the Challenger 350 aircraft, use Service Bulletin 350−24−005.
2. ACCOMPLISHMENT INSTRUCTIONS NOTES: 1. All TASKs given in the procedures that follow are from the BD−100, Aircraft Maintenance Manual (AMM) unless otherwise specified.
2. All references made to zones, access panels and/or doors, are from the BD−100 Aircraft Maintenance Manual (AMM), Chapter 6.
MODEL BD−100−1A10 (CH−300) Basic Issue: Nov 29/2022 100−24−30 Page 4 of 7
A. Aircraft Setup
(1) Obey all the electrical/electronic safety precautions. Refer to AMM 24−00−00−910−801.
(2) Obey all the electrostatic−discharge safety precautions. Refer to AMM 24−00−00−910−802.
(3) Open the aft equipment compartment door (182GL). Refer to AMM 52−41−00−010−801.
(4) Disconnect the batteries. Refer to AMM 24−32−00−040−801.
B. PART A — Special Check — Left DCPC Total Flight Hours NOTE: If it is not possible to establish the total flight hours of left DCPC, submit an SRPSA by email at SRPSA@aero.bombardier.com and request for assistance to determine the flight hours of the unit.
(1) Establish the left DCPC flight hours (since date of manufacture).
NOTE: For the original left DCPC units, the total flight hours accumulated is the same than the aircraft total accumulated flight hours.
(a) For the original units (installed at aircraft delivery) with less than 3500 total flight hours accumulated, no further action is required. Proceed to Paragraph 2.E. Close−out.
NOTE: This Service Bulletin is recommended before Dec 31/2023. Units that have not reached the 3500 flight hours threshold at the moment of this check might reach it before Dec 31/2023.
(b) If SB 100−24−29 is already incorporated on the aircraft, then incorporate PART B of this SB 100−24−30.
(c) If SB 100−24−29 is not incorporated and the original unit has more than 3500 flight hours, do the SB 100−24−29 for replacement of left DCPC, and Go to Paragraph 2.E. Close−out of this Service Bulletin.
NOTE: PART B of this SB 100−24−30, will be incorporated by the supplier at the same time as SB 100−24−029.
C. PART B — Modification — Installation of Protective Tape on the Left DCPC Card Cage NOTE: If it is not possible to complete all the instructions of 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) Do the modification of the left DCPC, Part No. 975GC02Y07, to install the protective tape, Part No. RUBATV090−13L100, as given in the attached Safran Electrical & Power (ECE), Service Bulletin 975GC02Y−24−020.
NOTE: Make sure to cut to a length of 1.77 in (45 mm).
(2) After modification, re−identify the left DCPC, Part No. 975GC02Y07, as 975GC02Y08, with the identification label, Part No. NPP000114AAY00.
MODEL BD−100−1A10 (CH−300) Basic Issue: Nov 29/2022 100−24−30 Page 5 of 7
D. Testing
(1) Connect the batteries. Refer to AMM 24−32−00−440−801.
(2) Do the testing of DCPC logic and protection cards as follows:
(a) Energize the primary dc power supply. Refer to AMM 24−31−00−861−801.
(b) The Power−Up Built−In−Test (PBIT) starts automatically when you apply electrical power to the aircraft. Make sure that the Engine Indication and Crew Alerting System (EICAS) does not show the messages that follow:
EICAS MESSAGE LEVEL (COLOR) ELECTRICAL FAULT Caution (amber) ELECTRICAL FAULT Advisory (cyan)
(3) Do the operational test of the main generator to test the LH GCU card. Refer to AMM 24−31−05−710−801.
E. Close−out
(1) Remove all tools, equipment and unwanted materials from the aircraft.
(2) Close the aft equipment compartment door (182GL). Refer to AMM 52−41−00−410−801.
F. Recording You can do each PART of this Service Bulletin independently. When any PART of 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 No kits required.
B. Parts The parts that follow are necessary to do this Service Bulletin and are available from Bombardier Aviation Parts Services, Montreal:
MODEL BD−100−1A10 (CH−300) Basic Issue: Nov 29/2022 100−24−30 Page 6 of 7
NEW PART NO. QTY ITEM USED PARTNO. INSTRUCTION-DISPOSITION NPP000114AAY00 1 IdentificationLabel NP0000590ABY00 − RUBATV090−13L100 (See Note 2) 2 in
(50.
8 mm) Protective Tape (PTFE Coated Glass Fabric) − − NOTES: 1. The part numbers for the items listed above 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.
2. Make sure to cut to a length of 1.77 in (45 mm).
C. Material No materials required.
D. Publications No publications required.
MODEL BD−100−1A10 (CH−300) Basic Issue: Nov 29/2022 100−24−30 Page 7 of 7
100−24−30 Basic Nov 29/2022 SPECIAL CHECK/MODIFICATION – DC POWER CENTER (DCPC) SYSTEM – INSTALLATION OF PROTECTIVE TAPE ON THE LEFT DCPC
CARD CAGE 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:
SERVICE BULLETIN INCORPORATION SHEET − "100−24−30" 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.
100−24−30 Basic
COMPLIED WITH
YES NO N/A PART A PART B 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)