Removal of the Fan Cowl Latches [PW11]

TASK 71-13-11-000-805-A
Removal of the Fan Cowl Latches

WARNING: BE CAREFUL WHEN YOU DO WORK ON THE ENGINE AFTER SHUTDOWN. THE ENGINE CAN STAY HOT FOR A LONG TIME. IF YOU DO NOT OBEY THIS INSTRUCTION, INJURY CAN OCCUR.

WARNING: WEAR APPLICABLE PERSONAL PROTECTIVE EQUIPMENT (PPE) WHEN YOU DO THIS TASK. BEFORE YOU USE PPE, READ, UNDERSTAND AND OBEY ALL INSTRUCTIONS FOR ITS USE. THESE INSTRUCTIONS INCLUDE INSTRUCTIONS FROM THE MANUFACTURER, YOUR EMPLOYER AND GOVERNMENT REGULATIONS. YOU CAN GET INJURED IF YOU DO NOT USE PPE. GET INSTRUCTIONS FROM YOUR EMPLOYER ON WHICH PPE IS NECESSARY.

FIN: 1470KM ** ON A/C NOT FOR ALL
FIN: 1471KM ** ON A/C NOT FOR ALL
FIN: 1472KM ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL, 438AR
FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL, 448AR

B. Referenced Information

REFERENCE	DESIGNATION
TASK 71-00-00-860-833-A	Procedure to Prevent Engine Motoring
TASK 71-13-00-010-802-A	Opening of the Fan Cowl Doors
Fan Cowl Latches

3. Job Set-up
Subtask 71-13-11-941-078-A ** ON A/C NOT FOR ALL

A. Safety Precautions
(1) Do the procedure to prevent engine motoring
(Ref. AMM TASK 71-00-00-860-833).

Subtask 71-13-11-010-075-A ** ON A/C NOT FOR ALL

B. Get Access
(1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENG 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENG 2)
447AL 448AR

4. Procedure
Subtask 71-13-11-020-060-A ** ON A/C NOT FOR ALL

A. Removal of the Fan Cowl Latches
(1) Remove the nut (1), washer (2) and bolt (3) that attach the latch No. 1 (4) to the fan cowl assembly.
(2) Remove the latch No. 1 (4) from the fan cowl assembly.
(3) Remove the nut (1), washer (2) and bolt (3) that attach the latch No. 2 (5) to the fan cowl assembly.
(4) Remove the latch No. 2 (5) from the fan cowl assembly.
(5) Remove the nut (1), washer (2) and bolt (3) that attach the latch No. 3 (6) to the fan cowl assembly.
(6) Remove the latch No. 3 (6) from the fan cowl assembly.

[Rev.10 from 2021] 2026.04.01 02:32:30 UTC