Opening of the Fan Cowl Doors with a Baulk Bracket Wearstrips Missing [PW11]

TASK 71-13-00-040-822-A
Opening of the Fan Cowl Doors with a Baulk Bracket Wearstrips Missing

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.

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

WARNING: DO NOT KEEP OPEN A FAN COWL DOOR WHEN THE WIND SPEED IS 60 MPH (96 KM/H) OR MORE. IF THE WIND MOVES THE FAN COWL DOOR, INJURY TO PERSONS AND/OR DAMAGE TO THE ENGINE AND ADJACENT COMPONENTS CAN OCCUR.

WARNING: BE CAREFUL IF YOU OPEN OR CLOSE A FAN COWL DOOR WHEN THE WIND SPEED IS 25 MPH (40 KM/H) OR MORE. IF THE WIND MOVES THE FAN COWL DOOR, INJURY TO PERSONS AND/OR DAMAGE TO THE ENGINE AND ADJACENT COMPONENTS CAN OCCUR.

WARNING: DO NOT LET THE FAN COWL DOOR FALL. IF THE DOOR FALLS, IT CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO THE EQUIPMENT.

CAUTION: DO NOT LIFT THE FAN COWL DOOR MORE THAN 52 DEGREES FROM THE VERTICAL. DAMAGE TO THE FAN COWL DOOR OR PYLON CAN OCCUR.

Task Summary

Access	Test	Specific Tools	Mhr	E/T	Nb Men
NO	YES	NO	0.2	0.2	1

1. Reason for the Job
CDL 71-29
FC Latch 3 Baulking Bracket Wearstrip
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT)
No specific	AR	WARNING NOTICE(S)

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
TASK 71-13-00-010-805-A	Opening of the Fan Cowl Doors - Sling Method
Fan Cowl Doors
Fan Cowl Door Aft Latch (L3)

3. Job Set-up
Subtask 71-13-00-941-103-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).
(2) Put an ACCESS PLATFORM 2M (6 FT) in position.
(3) Retraction of the slats:

CAUTION: DO NOT OPEN THE FAN COWL IF THE WING LEADING EDGE SLATS ARE EXTENDED. DAMAGE TO THE FAN COWL, WING LEADING EDGE SLATS AND WING CAN OCCUR.

(a) Make sure that the slats are retracted.
(b) Put a WARNING NOTICE(S) in position in the cockpit to tell persons not to move the slat control lever.

4. Procedure

CAUTION: WIPE CLEAN ALL PARTS AND TOOLS AS NECESSARY TO REMOVE UNWANTED DEBRIS AND PREVENT DAMAGE TO THE ENGINE.

Subtask 71-13-00-010-128-A ** ON A/C NOT FOR ALL

A. Opening of the Fan Cowl Doors with a Baulk Bracket Wearstrips Missing

CAUTION: IF THE BAULK BRACKET ABOVE THE AFT LATCH (L3) IS NOT THERE OR IF ITS WEARSTRIP IS MISSING, DO NOT OPEN THE LATCH HOOK MORE THAN NECESSARY TO DISENGAGE OR ENGAGE THE KEEPER. DO NOT MOVE THE LATCH HOOK TOO MUCH IN THE DIRECTION OF THE LATCH HANDLE OR PUT THE LATCH HOOK AGAINST THE LATCH HANDLE. MAKE SURE THAT THE ANGULAR POSITION OF THE LATCH HOOK IS NOT LESS THAN 90 DEGREES FROM THE LATCH HANDLE. IF YOU DO NOT OBEY THESE PRECAUTIONS, THE LATCH CAN HIT THE ENGINE OIL TUBE OR THE BAULK BRACKET AND CAUSE DAMAGE.

CAUTION: OPEN THE LATCHES IN THE ORDER THAT FOLLOWS. DAMAGE TO THE EQUIPMENT CAN OCCUR IF YOU DO NOT OBEY THESE INSTRUCTIONS.

(1) Push the fan cowl door latch triggers to release the aft latch (L3), center latch (L2), and forward latch (L1) on the bottom of the left fan cowl door. Pull down each handle to open the three latches. Move the latches away from the three latch keepers.
(2) Make sure that you keep the L3 latch hook in the correct position until the L3 latch is clear of the baulk bracket.
(3) Open the left and right fan cowl doors (Ref. AMM TASK 71-13-00-010-802) or (Ref. AMM TASK 71-13-00-010-805).

[Rev.10 from 2021] 2026.04.01 02:32:04 UTC