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 10999 None. 

CL−600−2D15

and

CL−600−2D24

15001 thru 15990 None. 

CL−600−2E25 19001 thru 19990 None. 

For aircraft that have a Class C" cargo compartment.

 There is no production effectivity
SERVICE BULLETIN 670BA−25−100

SB 670BA−25−100

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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

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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

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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

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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

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Jul 21/2015

B. Procedure

NOTE: This procedure is applicable to 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

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(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

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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

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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 Assembly

For 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

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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 to install 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 applicable

logbooks: 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

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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

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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

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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.

1 
the 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 to crj_sb_evaluation_form@aero.bombardier.com