Removal of the Fan Cowl Strakes [IAE]
TASK 71-13-19-000-010-B
Removal of the Fan Cowl Strakes
1. Reason for the Job
This task is for V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 71-13-19-869-051-A ** ON A/C NOT FOR ALL
Subtask 71-13-19-020-051-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:30:02 UTC
Removal of the Fan Cowl Strakes
1. Reason for the Job
This task is for V2500-A5 engines.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [1000EM1] (ENGINE-1) | |
| 437AL, 438AR | |
| FOR [1000EM2] (ENGINE-2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-010-A | Opening of the Fan Cowls 437AL(447AL),438AR(448AR) |
| TASK 71-13-19-040-801-A | Sealing of the Fan Cowl Strake Fastener Holes |
Subtask 71-13-19-869-051-A ** ON A/C NOT FOR ALL
A. General
(1) This task gives the procedure to remove the right strake from the right fan cowl, 438AR on engine 1.
Subtask 71-13-19-941-051-A ** ON A/C NOT FOR ALL (1) This task gives the procedure to remove the right strake from the right fan cowl, 438AR on engine 1.
NOTE: The procedure to remove the left strake from the left fan cowl, 447AL on the engine 2 is the same. Only one procedure is given.
NOTE: If a different fan cowl strake configuration is required, refer to Service Bulletin: V2500-NAC-71-0258.
B. Safety Precautions
(1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
Subtask 71-13-19-010-052-A ** ON A/C NOT FOR ALL (1) On the center pedestal, on the ENG panel 115VU:
(a) Put a WARNING NOTICE(S) to tell persons not to start the engine 1(2).
(2) Make sure that the engine 1(2) shutdown occurred not less than 5 minutes before you do this procedure.
(3) On the overhead maintenance panel 50VU:
(a) Make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) to tell persons not to energize the FADEC 1(2).
C. Get Access
(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010)
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
4. Procedure(1) Open the fan cowls (Ref. AMM TASK 71-13-00-010-010)
(2) FOR [1000EM1] (ENGINE-1)
437AL 438AR.
(3) FOR [1000EM2] (ENGINE-2)
447AL 448AR.
(4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
Subtask 71-13-19-020-051-A ** ON A/C NOT FOR ALL
A. Remove the fan cowl left and right strakes.
(1) Hold the left strake (1) and remove the nuts (3) and the bolts (2).
(2) Remove the left strake (1) from the fan cowl door.
(3) Repeat steps (1) and (2) for the right strake (4), if applicable.
(4) If necessary, seal the strake fastener holes on the fan cowl (Ref. AMM TASK 71-13-19-040-801).
(1) Hold the left strake (1) and remove the nuts (3) and the bolts (2).
(2) Remove the left strake (1) from the fan cowl door.
(3) Repeat steps (1) and (2) for the right strake (4), if applicable.
(4) If necessary, seal the strake fastener holes on the fan cowl (Ref. AMM TASK 71-13-19-040-801).
Fan Cowl Strakes