Service bulletin · Bombardier

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© Bombardier Inc. Filed by the FAA in regulations.gov docket FAA-2024-0467; AD 2024-13-01 incorporates this document by reference. Not covered by OpenAirDocs’ CC0 dedication.

Docket FAA-2024-0467 (document 0004) · AD 2024-13-01

Manufacturer
Bombardier
Type
Service Bulletin
Number
605-28-014

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SPECIAL CHECK/REWORK – PRESSURE REFUEL/DEFUEL SYSTEM –

INSPECTION OF WIRES AND REMOVAL OF SCUPPER ATTACHMENT FASTENER 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 Within four (4) years from this Service Bulletin release date (Basic Issue) EFFECTIVITY: A/C Serial No. 5775 to 5990 MANPOWER: Refer to Paragraph 1.F.

CONTINUED AIRWORTHINESS (CAW)

FLEET CAMPAIGN NOYES TLMC, CH 5 AFFECTED NOYES KITS and/or PARTS NOYES

TOOLING/GSE YES NO

PLANNING INFORMATION NOYES

DEDICATED SCHEDULE NOYES PREREQUISITE SERVICE BULLETINS: N/A

SERVICE BULLETIN SUMMARY my.businessaircraft.bombardier.com MODEL CL−600−2B16 ATA 28−25

FUEL SYSTEM Basic Issue: May 10/2023 605−28−014 Page 1 of 1 This Service Bulletin is available at:

SPECIAL CHECK/REWORK – PRESSURE REFUEL/DEFUEL SYSTEM –

INSPECTION OF WIRES AND REMOVAL OF SCUPPER ATTACHMENT FASTENER

1. PLANNING INFORMATION NOTE: Before you do this Service Bulletin, examine all STC, STA or equivalent action changes to make sure that this Service Bulletin can be completed.

A. Effectivity CL−600−2B16 aircraft, Serial No. 5775 to 5990.

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:

There have been reports of damage on wiring isolation due to one bolt in fueling adapter and it leads the bolt to intermittently short.

2. Evidence:

Some aircraft in service found one bolt fouling with harness causes damage on wiring isolation.

3. Objective/Benefit:

This Service Bulletin instructs to inspect the electrical wires for damage and remove the bolt and nutplate at harness fouling location to avoid the damages to fueling adapter and wires around it. Repair or replace the wires if damaged.

SERVICE BULLETIN my.businessaircraft.bombardier.com MODEL CL−600−2B16 ATA 28−25

FUEL 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.

 2023 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries.

Basic Issue: May 10/2023 605−28−014 Page 1 of 11 This Service Bulletin is available at:

C. Description This Service Bulletin gives instructions in PART A to:

− Get access, remove the fueling adapter rings and gasket, and − Inspect the electrical wires.

− If wires are not damaged, do the PART B of this Service Bulletin.

− If wires are damaged, do the PART C of this Service Bulletin.

This Service Bulletin gives instructions in PART B to:

− Remove the nutplate and rivets, − Fill the nutplate and rivet holes with sealant, and − Install the fueling adapter rings and gasket.

This Service Bulletin gives instructions in PART C to:

− Repair or replace the damaged electrical wires as required, − Remove the nutplate and rivets, − Fill the nutplate and rivet holes with sealant, − Install the fueling adapter rings and gasket, and − Do the necessary tests to make sure that the system operates correctly.

D. Compliance Recommended within four (4) years from this 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.

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 CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 2 of 11

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 605−00−002.

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.

1.5 man−hours are necessary to do PART A of this Service Bulletin.

1.5 man−hours are necessary to do PART B of this Service Bulletin.

4 man−hours are necessary to do PART C of this Service Bulletin, excluding wire repair.

Man−hours for the wire repair are not provided as it varies from case to case based on actual discrepancies.

Bombardier Aviation does not pay for the labor to do this Service Bulletin.

G. Material − Cost and Availability No kit or parts are necessary to do this Special Check/Rework. For material data, refer to Paragraph 3.C.

H. Tooling The equipment and tools listed below are necessary to do this Service Bulletin:

GSE REFERENCE NO. PART NO. DESCRIPTION 24−00−24 − Circuit Breaker Tag − Red Commercially Available − Wrench, Torque 20 to 25 lbf in(2.26 to 2.82 Nm) NOTES: 1. Refer to the CL−605 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 CL –605, for acceptable GSE equivalents.

MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 3 of 11

3. This list is provided for quick reference. In case of discrepancy between this list and the tools called in the SPM, WM, Chapter 20, then the tools called in the SPM−WM 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 − Bombardier Aviation, Modification Summary, 600−6693, Rev. A.

− Bombardier Aviation, Restriction and/or Special Instruction (RSI), C−4303, Rev. −−.

− Bombardier Aviation, Kit Drawing K604−62551, Rev. −−.

− Bombardier Aviation, Standard Practices Manual (SPM), Chapter 20.

− CL−605 Aircraft Maintenance Manual (AMM), Chapters 6, 20, 24, 28, 52 and 53.

− CL−605 Supplemental Maintenance Manual (SMM), Chapter 33.

− CL−605 Structural Repair Manual (SRM), Chapter 51.

L. Other Publications Affected − CL−605 Aircraft Illustrated Parts Catalog (AIPC), Chapter 28.

− CL−605 Aircraft Maintenance Manual (AMM), Chapter 28.

M. Equivalent Service Bulletin − For challenger 650 aircraft, use SB 650−28−003.

2. ACCOMPLISHMENT INSTRUCTIONS NOTES: 1. All TASKs given in the procedures that follow are from the CL−605 Aircraft Maintenance Manual unless otherwise specified.

2. All references made to zones, access panels and/or doors, are from the CL−605 Aircraft Maintenance Manual, Chapter 6.

MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 4 of 11

A. Aircraft Setup WARNING: OBEY ALL SAFETY PRECAUTIONS WHEN YOU DO MAINTENANCE ON OR NEAR ELECTRICAL EQUIPMENT. IF YOU

DO NOT DO THIS, YOU CAN CAUSE INJURIES TO PERSONS AND/OR DAMAGE TO THE EQUIPMENT.

(1) Obey all electrical/electronic safety precautions. Refer to AMM 24−00−00−910−801.

(2) Obey fuel system safety precautions. Refer to AMM 28−00−00−910−801.

(3) Put DO NOT CONNECT − FUEL TANK MAINTENANCE placards on the AC and the DC ground power receptacles.

(4) Put a warning tag on the BATT MASTER switch on the ELECTRICAL POWER control panel, on the overhead panel. Make sure that the BATT MASTER switch is set to OFF.

(5) Open the aft equipment−compartment door (311BB). Refer to AMM 52−41−00−010−801.

(6) Open and tag the circuit breakers that follow:

CB PANEL CB NO. NAME ZONE CBP−1 G8 FUEL DEFUEL SOV POS 221 CBP−5 B5 FUEL DEFUEL FSCU 311 CBP−5 B6 FUEL DEFUEL L/R AUX SOVS 311 CBP−5 B7 FUEL DEFUEL T/T SOVS 311 CBP−5 B8 FUEL DEFUEL PANEL 311 B. PART A − Inspection of Electrical Wires 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 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.

(1) Remove and retain the bolts, Part No. NAS6203−3 (qty 16) and AN3−5A (qty 8), rings, Part No. 600−62736−7 and 600−62736−27, and the gasket, Part No. S5805−2, from the fueling adapter. Refer to AMM 28−25−01−000−801 and Figure 1, Detail A.

NOTES: 1. It is not necessary to remove the right wing−to−fuselage fairing (192BB).

2. Make sure that the ring, Part No. 600−62736−17 does not rotate.

Refer to Figure 1, Detail A.

MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 5 of 11

(2) Inspect the electrical wires attached to connector J274. Refer to Figure 1, Detail A.

NOTE: Use the boroscope for inspection, if necessary.

(a) If electrical wires are not damaged, do the PART B of this Service Bulletin.

(b) If electrical wires are damaged, do the PART C of this Service Bulletin.

C. PART B − Removal of Scupper Attachment Fastener 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 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.

(1) Remove and discard the rivets, Part No. MS20426AD3 (qty 2), and the nutplate, Part No. MS21061L3 (qty 1) at one specific location as shown in Figure 1, Detail A and B.

(2) Inspect the scupper, Part No. 600−62736−21 for any damage. Refer to Figure 1, Detail A.

(a) If there is damage, contact Bombardier Aviation for the repair instructions.

(3) Fill the nutplate and rivet holes with sealant (MIL−PRF−81733 type II, class I) at the location as shown in Figure 1, Detail A and B. Refer to SRM 51−23−04 or SPM−MM 51−23−00.

NOTE: It is permissible to use sealant AC−380 B−1/2 or B−2, MC−780 B−1/2 or B−2, PR−2007 B−1/2 or B−2, or WS−8032S B−1/2 or B−2 as alternative.

(4) Install the retained rings, Part No. 600−62736−7 and 600−62736−27, gasket, Part No. S5805−2, and the bolts, Part No. NAS6203−3 (qty 15) and AN3−5A (qty 8), on the fueling adapter. Refer to AMM 28−25−01−400−801 and Figure 1, Detail A.

NOTE: Do not install the bolt, Part No. NAS6203−3 at one specific location as shown in Figure 1, Detail A.

D. PART C − Repair or Replacement of Electrical Wires and Removal of Scupper Attachment Fastener 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 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.

(1) Remove the right wing−to−fuselage fairing (192BB). Refer to AMM 53−62−01−000−802.

(2) Replace all electrical wires damaged with exposed core. Refer to SPM−WM 20−12−00.

MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 6 of 11

(3) Repair all electrical wires damaged only in the insulation (no exposed core).

Refer to SPM–WM 20−12−11.

(4) Remove and discard the rivets, Part No. MS20426AD3 (qty 2), and the nutplate, Part No. MS21061L3 (qty 1) at one specific location as shown in Figure 2, Detail A and B.

(5) Inspect the scupper, Part No. 600−62736−21 for any damage. Refer to Figure 2, Detail A.

(a) If there is damage, contact Bombardier Aviation for the repair instructions.

(6) Fill the nutplate and rivet holes with sealant (MIL−PRF−81733 type II, class I) at the location as shown in Figure 2, Detail A and B. Refer to SRM 51−23−04 or SPM−MM 51−23−00.

NOTE: It is permissible to use sealant AC−380 B−1/2 or B−2, MC−780 B−1/2 or B−2, PR−2007 B−1/2 or B−2, or WS−8032S B−1/2 or B−2 as alternative.

(7) Install the retained rings, Part No. 600−62736−7 and 600−627 36−27, gasket, Part No. S5805−2, and the bolts, Part No. NAS6203−3 (qty 15) and AN3−5A (qty 8), on the fueling adapter. Refer to AMM 28−25−01−400−801 and Figure 2, Detail A.

NOTE: Do not install the bolt, Part No. NAS6203−3 at one specific location as shown in Figure 2, Detail A.

(8) Install the right wing−to−fuselage fairing (192BB). Refer to AMM 53−62−01−400−802.

E. Testing for PART C

(1) Do the operational test of the wing inspection light. Refer to AMM 33−43−00−710−801.

(2) Do the operational test of the warning switch for the pressure refuel/defuel adapter door. Refer to AMM 52−72−01−710−801.

(3) If aircraft has been modified to include service compartment lightning, do the operational test for the service compartment lightning. Refer to SMM 33−37−00−710−801.

F. Close−out

(1) Remove the warning tag from the BATT MASTER switch and the placards from the AC and DC round power receptacles.

(2) Remove the tag and close the circuit breakers that follow:

CB PANEL CB NO. NAME ZONE CBP−1 G8 FUEL DEFUEL SOV POS 221 CBP−5 B5 FUEL DEFUEL FSCU 311 MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 7 of 11

CB PANEL CB NO. NAME ZONE CBP−5 B6 FUEL DEFUEL L/R AUX SOVS 311 CBP−5 B7 FUEL DEFUEL T/T SOVS 311 CBP−5 B8 FUEL DEFUEL PANEL 311

(3) Remove all tools, equipment and unwanted materials from the work area.

(4) Close the aft equipment−compartment door (311BB). Refer to AMM 52−41−00−410−801.

G. 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. Kits No kits required.

B. Parts No parts required.

C. Material The material that follows, or equivalent, is necessary to do this Service Bulletin. It can be purchased from a local supplier. Bombardier Aviation does not pay for this consumable.

MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 8 of 11

DESCRIPTION PARTNO./NAME SPECIFICATION QUANTITY

SUPPLIER (SEE NOTE) Sealant Pro−Seal 80 CL B (See Note 3) MIL−PRF−81733, Type II, Class 1, Grade A As Necessary Code: A NOTES: 1. Refer to the table that follows for each suppliers address listed by codes.

2. 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.

3. It is permissible to use sealant AC−380 B−1/2 or B−2, MC−780 B−1/2 or B−2, PR−2007 B−1/2 or B−2, or WS−8032S B−1/2 or B−2 as alternative.

SUPPLIERS ADDRESSES BY CODES Code: A Commercially Available D. Publications No publications required.

MODEL CL−600−2B16 Basic Issue: May 10/2023 605−28−014 Page 9 of 11

FS411.00 SB650−28−003_001 600−62736−9/−23/−27 (RETAINING RING) 600−62736−7 (RETAINING RING) S5805−1/−2 (GASKET) NAS6203−3 (BOLT) (QTY 15) AN3−5A (BOLT) (QTY 8) J274 (CONNECTOR) 600−62736−17 (RETAINING RING)

SCUPPER (REF) 1 MS20426AD3 (RIVET) MS21061L3 (NUTPLATE)

SCUPPER (REF) 3 3 NOTES 1 2 Fill the nutplate and rivet holes with sealant after removal.

Make sure that the retaining ring does not rotate.

3 Do not install the bolt at one specific location as shown.

3 MODEL CL−600−2B16 PART A − Inspection of Electrical Wires and Removal of Scupper Attaching Fastener Figure 1 Basic Issue: May 10/2023 605−28−014 Page 10 of 11

FS411.00604−50223−1 (BRACKET) J274 (CONNECTOR) 600−62736−21 (SCUPPER) S5805−1/−2 (GASKET) 600−62736−7 (RETAINING RING) 600−62736−9/−23/−27 (RETAINING RING) MS20426AD3 (RIVET) MS21061L3 (NUTPLATE) NAS6203−3 (BOLT) (QTY 15) AN3−5A (BOLT) (QTY 8) SB650−28−003_011

SCUPPER (REF) 600−62736−17 (RETAINING RING) 3 3 NOTES 1 2 Fill the nutplate and rivet holes with sealant after removal.

Make sure that the retaining ring does not rotate.

3 Do not install the bolt at one specific location as shown.

1 3 MODEL CL−600−2B16 PART B − Repair or Replacement of Electrical Wires and Removal of Scupper Attaching Fastener Figure 2 Basic Issue: May 10/2023 605−28−014 Page 11 of 11