the evolution of mobility

SB 670BA−25−100 Page 1 of 13 Jul 21/2015 

# SERVICE BULLETIN

Technical Publications

THIS SERVICE BULLETIN IS SENT TO EACH OPERATOR. IF THE OPERATOR HAS LEASED AIRCRAFT, TRANSFERRED SPARES IN THE LAST SIX MONTHS, SEND THIS SERVICE BULLETIN TO THE NEW OWNER, UNLESS CONFIRMATION WAS RECEIVED THAT BOMBARDIER HAS INCLUDED THE NEW OPERATOR ON THE DISTRIBUTION LIST. SEND THIS SERVICE BULLETIN TO THE LESSEE. IF THE OPERATOR HAS SOLD AIRCRAFT OR

ATA SYSTEM: 25−50 NUMBER: 670BA−25−100 SUBJECT: Equipment and Furnishings − Cargo Compartments − Inspection of the Window-Louver Panel Assembly and Blowout Panels in the Aft Cargo Compartment

1. PLANNING INFORMATION A. Effectivity (1) Aircraft Affected:
AIRCRAFT

MODEL SERVICE AIRCRAFT SERIAL NUMBERS PRODUCTION AIRCRAFT SERIAL NUMBERS CL−600−2C10 10002 thru 10999None. CL−600−2D15 and CL−600−2D24 15001 thru 15990None.

CL−600−2E25 19001 thru 19990None.For aircraft that have a Class C" cargo compartment. There is no production effectivity

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 2 of 13 Jul 21/2015 NOTE: The instructions 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 service bulletins. Before you do this service bulletin, examine all Supplemental Type Certificates (STCs) and Supplemental Type Approvals (STAs) or equivalent action changes to make sure you can complete this service bulletin. B. Reason (1) Condition Damage to the Blowout Panels (BOPs) and the Window Louvers Panel Assembly (WLPA) can occur. This can prevent the BOPs and the louvers to do their intended function

. (2) Evidence Operators have reported opened, damaged or missing louvers on the WLPA and damaged or opened BOPs. (3) Objective/Benefit This service bulletin gives the procedure to do a detailed inspection of the WLPA and the BOPs. C. Description The aft baggage bay door is opened. A detailed inspection of the WLPA and the left and the right BOPs is done. If necessary, damaged parts are repaired or replaced. The aft baggage bay door is closed. D. Compliance Recommended service bulletin. Bombardier recommends that this service bulletin be done at no more than 100 flight hours from the release date of this service bulletin, unless otherwise directed by the airworthiness authority of the operator. Bombardier recommends that this service bulletin be repeated at intervals of 100 flight hours, from the date that this service bulletin is incorporated, unless otherwise directed by the airworthiness authority of the operator. NOTE: If it is not possible to complete all the instructions in this service bulletin because of the configuration of the aircraft, speak with a representative of Bombardier in the CRC at 1−844−272−2720(1−844−CRC−CRC0) or 1−514−855−8500 or e-mail at thd.crj@aero.bombardier.com for analysis and to get an approved disposition to complete this service bulletin. This service bulletin does not affect Airworthiness Limitations (AWLs) or Damage Tolerance Inspections (DTIs).

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 3 of 13 Jul 21/2015 E. Approval The technical content of this service bulletin has been approved under the authority of the TCCA Design Approval Organization No: DAO #93−Q−02. F. Manpower The man-hours given below are estimates for direct labor done by an experienced crew on an aircraft prepared for maintenance. These estimates do not include the time necessary for: −Administrative functions such as planning, liaising, familiarization, and report writing. −Non-productive elapsed time such as rest time, having meals, and crew shift changes. −Elapsed time such as for paint to dry, sealant to cure, and fuel tank venting. −Preparation for modification (unless specified in the Accomplishment Instructions) such as cleaning and getting parts, tools, consumables, and ground equipment. −Quality assurance inspections, troubleshooting and/or correction of discrepancies found when a task is done. −All other activities that are not considered by Bombardier as directly related to the accomplishment of this procedure. NOTE: For on-site labor assistance, please speak with a Fleet Services representative for an estimate. Call the Fleet Services Team through the CRC at 1−844−272−2720 (1−844−CRC−CRC0) or 1−514−855−8500 or e-mail at thd.crj@aero.bombardier.com. It will take an estimated 1.5 man-hours to complete this service bulletin. The man-hours are divided in the table that follows: TASK MAN-HOURS (1) Job Set-Up 0.25 (2) Procedure 1.0 (3) Test N/A (4) Job Close-Out 0.25
NOTE: The man-hours for the procedure do not include the hours to replace damaged parts.

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 4 of 13 Jul 21/2015 G. Material − Price and Availability There are no kits for this service bulletin. H. Tooling − Price and Availability There are no tool kits for this service bulletin. Refer to paragraph 3.C. for a list of special tools and equipment for this service bulletin. I. Weight and Balance Not changed. J. Electrical Load Data Not changed. K. References Refer to the SB Introduction document for definition or explanation of service bulletin content. Restriction and/or Special Instruction (RSI) C−25−1666−00, Revision B Aircraft Maintenance Manual (AMM) Nondestructive Testing Manual (NDTM) For Bombardier reference only: PCA 75950 L. Other Publications Affected None. M. Relationship Chart Not applicable.

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 5 of 13 Jul 21/2015 2. ACCOMPLISHMENT INSTRUCTIONS Reference Information
REFERENCE DESIGNATION AMM 12−00−00−867−801 Standard Aircraft Configuration for Maintenance AMM 25−51−01−000−801 Removal of the Aft−Cargo Spider Restraint− Netting AMM 25−51−01−400−801 Installation of the Aft−Cargo Spider Restraint− Netting NDTM 51−20−009−210 Visual Inspection Procedures Tolerance Information LINEAR TOLERANCES ANGULAR TOLERANCE X.XX in. (X.X mm) X.X in. (X mm) +/−0° 30" +/− 0.03 in. +/− 0.1 in. +/− 0.8 mm +/− 3 mm NOTE: The tolerances above apply to the dimensions given in this service bulletin, except when specified differently. A. Job Set-Up NOTE: The steps in the Job Set-Up 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 discretion. (1) Make sure that the aircraft is in standard configuration for maintenance (refer to AMM 12−00−00−867−801). (2) Open the aft baggage bay door. (3) If applicable, remove the cargo restraint netting (refer to AMM 25−51−01−000−801).

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 6 of 13 Jul 21/2015 B. Procedure NOTE: Thisprocedure is applicableto the left and the right sides. The procedure that follows is written for the left side. The differences are given. (1) If it is not possible to complete all the instructions in this service bulletin because of the configuration of the aircraft, speak with a representative of Bombardier in the CRC at 1−844−272−2720 (1−844−CRC−CRC0) or 1−514−855−8500 or e-mail at thd.crj@aero.bombardier.com for analysis and to get an approved disposition to complete this service bulletin. Detail Visual Inspection (DVI) of the WLPA Refer to Figure 1. (2) Do a DVI of the cage assembly (1) as follows (refer to NDTM 51−20−009−210): (a) Make sure the tubing and frame of the cage assembly (1) is not bent and has no deformation. (b) If there is a deformation on the cage assembly (1) do as follows:
1 Make sure that the clearance between the frame of the cage assembly (1) and the frame (2) of the WLPA is less than 0.060 in. (1.52 mm).
2 Make sure that the louver panels (4) can open to 45 degrees or more. 3 Make sure to keep the louver panels (4) in the open position for a subsequent step. (c) Make sure that the welded joints of the cage assembly (1) are not broken. (d) If necessary, refer to the applicable C&D Zodiac CMM for the repair instructions. If no instructions are given, speak with a CRC representative at 1−844−272−2720 (1−844−CRC−CRC0) or 1−514−855−8500 or send an e-mail at thd.crj@aero.bombardier.com for a disposition. (e) If necessary, replace the parts that have more damage than the above maximum limits (refer to the applicable C&D Zodiac CMM).

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 7 of 13 Jul 21/2015 (3) On the 9G bulkhead, do DVI of the WLPA as follows (refer to NDTM 51−20−009−210) : (a) If the louver panels (4) are in closed position, do as follows: 1 Make sure that the support pins (5) and the louver panels (4) are not bent. 2 Make sure that the louver panels (4) are in full contact with the upper and the lower fire blocking foams (3). 3 Make sure that the clearance between the vertical posts of the frame (2) and the sides of the louver panels (4) is less than 0.032 in. (0.81 mm). (b) If the louver panels (4) are in the opened position, do as follows: 1 Make sure the frame (2) is not bent and has no deformation that can cause the blockage of the louver panels (4). NOTE: It is permitted to have a bent and/or dented, and/or deformed frame (2) if the louver panels (4) can operate correctly. 2 Make sure that the louver panels (4) can operate correctly. NOTE: It is permitted to manually move the louver panels (4). 3 Make sure that the support pins (5) and the louver panels (4) are not bent. 4 On the aft face of the louver panels (4), make sure that the fire blocking fabric is not missing, torn or not bonded for more than 1.0 sq.in. (645 sq.mm). 5 On the inner surface of the frame (2), make sure that the fire blocking fabric is not missing, torn or not bonded for more than 1.0 sq.in. (645 sq. mm). 6 Make sure that the fire blocking foams (3) are not missing, torn or not bonded above and below the louver panels (4). 7 If necessary, refer to the applicable C&D Zodiac CMM for the repair instructions. If no instructions are given, speak with a CRC representative at 1−844−272−2720 (1−844−CRC−CRC0) or 1−514−855−8500 or send an e-mail at thd.crj@aero.bombardier.com for a disposition.

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 8 of 13 Jul 21/2015 8 If necessary, replace the parts that have more damage than the above maximum limits (refer to the applicable C&D Zodiac CMM).
References for the repair of the WLPA NAME REFERENCES 

WLPA CMM 25−52−01 CMM 25−52−05  CMM 25−52−16  CMM 25−52−35  CMM 25−52−36  CMM 25−52−39  CMM 25−52−42  Cage Assembly
For CL−600−2C10 aircraft.  For CL−600−2D15 and CL−600−2D24 aircraft.  For CL−600−2E25 aircraft.  Refer to applicable installation of 9G bulkhead assembly.

9 Close the louver panels (4). 10 Make sure that the louver panels (4) are in full contact with the upper and the lower fire blocking foams (3). 11 Make sure that the clearance between the vertical posts of the frame (2) and the sides of the louver panels (4) is less than 0.032 in. (0.81 mm). Detail Visual Inspection (DVI) of the BOPs
Refer to Figure 2. (4) On the left and the right safety valve liners, do DVI of the BOPs (2) as follows (refer to NDTM 51−20−009−210): (a) Make sure the tubing and frame of the cage assemblies (4) is not bent and has no deformation. 1 If there is a deformation on the cage assembly (4), do as follows:

a Make sure that the welded joints are not broken.

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 9 of 13 Jul 21/2015 b Make sure that the clearance between the frame of the BOP (2) and the frame of the cage assembly (4) is not more than 0.060 in. (1.52 mm).
c Make sure that the distance between the top of the two vertical bars, and the top surface of the frame of the cage assembly (4) is not less than 1.91 in (48.5 mm). (b) Make sure the BOPs (2) are in closed position. (c) Make sure the BOPs (2) are not bent, dented or punctured, and have no deformations. (d) Make sure the sealing tape (3) of the BOPs (2) is in position and in good condition. (e) Make sure that the jumper (1) is not loose or frayed. (f) If necessary, refer to the applicable C&D Zodiac CMM for the repair instructions. If no instructions are given, speak with a CRC representative at 1−844−272−2720 (1−844−CRC−CRC0) or 1−514−855−8500 or send an e-mail at thd.crj@aero.bombardier.com for a disposition. (g) If necessary, replace the parts that have more damage than the above maximum limits (refer to the applicable C&D Zodiac CMM). References for the repair of the BOP NAME REFERENCES  Decompression Panel CMM 25−52−06  CMM 25−52−07  CMM 25−52−09  CMM 25−52−34  CMM 25−52−43  Cage AssemblyFor CL−600−2C10 aircraft.  For CL−600−2D15 and CL−600−2D24 aircraft.  For CL−600−2E25 aircraft.  Refer to the applicable installation of aft baggage-bay liners. (5) If damage is found, speak with a CRC representative at 1−844−272−2720 (1−844−CRC−CRC0) or 1−514−855−8500 or send an e-mail at thd.crj@aero.bombardier.com for a disposition.

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 10 of 13 Jul 21/2015 C. Job Close-Out NOTE: The steps in the Job Close-Out section of this service bulletin, except for the return-to-service tests, are recommended steps. The steps give a recommendation toinstall components removed during the Job Set-Up. 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 discretion. (1) Remove all tools, equipment, and unwanted materials from the work area. (2) If removed, install the cargo restraint netting (refer to AMM 25−51−01−400−801). (3) Close the aft baggage bay door. (4) When this service bulletin is completed, make this entry in the applicablelogbooks: Service Bulletin 670BA−25−100, Inspection of the Window-Louver Panel Assembly and Blowout Panels in the Aft Cargo Compartment, incorporated."

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 11 of 13 Jul 21/2015 Detail Inspection of the WLPA Figure 1 (Sheet 1 of 1)ba8478a01, kp, May 11, 2015 A B WINDOW LOUVER PANEL ASSEMBLY (WLPA)(REF)

LEGEND 1. Cage assembly. 2. Frame. 3. Foam, fire blocking. 4. Louver panel. 5. Support pin.

TUBING (REF)

B TYPICAL WELDED JOINT (REF) 1

C

9G BULKHEAD (REF) C 2

4 D A

0.060 in. (1.52 mm) MAXIMUM DEFORMATION

E E 1

2

D 3

2 FIRE BLOCKING FABRIC (REF)

5 0.032 in. (0.81 mm) MAXIMUM CLEARANCE

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 12 of 13 Jul 21/2015 Detail inspection of the BOP Figure 2 (Sheet 1 of 1) LEGEND 1. Jumper. 2. Blowout Panel (BOP). 3. Tape, sealing. 4. Cage assembly. 5. Blowout frame.ba8477a01, kp, Mai 13, 2015 A

1.91 in. (48.5 mm) 2.08 in. (52.8 mm) NOTES Shown disassembled for clarity. 2. Left side shown, right side opposite. 1

0.060 in. (1.52 mm) MAXIMUM DEFORMATION B 4

5 B A SAFETY VALVE LINER (REF) C

4

5

C 4 TUBING (REF) FRAME (REF)

WELDED JOINT (REF) 3

1 2 5

1 B

TOP OF THE FRAME (REF)

MINIMUM REFERENCE

### SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100 Page 13 of 13 Jul 21/2015 3. MATERIAL INFORMATION
A. Kit Information None. B. Consumable Information For a list of consumables, refer to the different tasks that are given as references in this service bulletin. C. Special Tools and Equipment There are no special tools and equipment for this service bulletin. D. Disposition of Parts Not applicable. 1the evolution of mobility

THANK YOU FOR YOUR COMMENTS



## SERVICE BULLETIN FEEDBACK FORM/COMPLIANCE SHEET (YOUR COMMENTS HELP US WRITE BETTER SERVICE BULLETINS)
Service Bulletin No.: 670BA-25-100 Revision: NC Aircraft Serial Number: Date:
STRONGLY DISAGREE DISAGREE AGREE STRONGLY AGREE Instructions to do the service bulletin are accurate. Comments: 

## - - - -

Figure(s), picture(s), and/or Appendix were helpful to do the service bulletin. Comments: 

## - - - -

Part(s) or kit(s) agreed with the service bulletin requirement. Comments: 

## - - - -

The service bulletin was accomplished within the estimated time given. Comments: 

## - - - -

Overall, I was satisfied with this service bulletin. Comments: 

## - - - -

Operator: Service Centre: Name: Telephone or Fax: FAX your comments or feedback to (450) 476---7300 or e-mail tocrj_sb_evaluation_form@aero.bombardier.com