Installation of the Hold-open Rod of the Fan Cowl Door [CFMB]

TASK 71-13-12-400-041-A
Installation of the Hold-open Rod of the Fan Cowl Door

FIN: 1000EM1 ** ON A/C NOT FOR ALL
FIN: 1000EM2 ** ON A/C NOT FOR ALL

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE
No specific	AR	WARNING NOTICE(S)
No specific	Torque wrench: range to between 140 and 100 lbf.in (1.58 and 1.13 m.daN )

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
FOR [1000EM1] (ENGINE-1)
437AL, 438AR
FOR [1000EM2] (ENGINE-2)
447AL, 448AR

C. Referenced Information

REFERENCE	DESIGNATION
TASK 71-13-00-010-040-B	Opening of the Fan Cowl Doors
TASK 71-13-00-410-040-B	Closing of the Fan Cowl Doors
Fan Cowl-Door Sling
Fan Cowl-Door Hold-Open-Rod

3. Job Set-up
Subtask 71-13-12-860-050-A ** ON A/C NOT FOR ALL

A. Aircraft Maintenance Configuration
(1) On the center pedestal, on the ENG panel 115VU, make sure that a WARNING NOTICE(S) is in position to tell persons not to start the engine.
(2) On the overhead maintenance panel 50VU, make sure that the ON legend of the ENG/FADEC GND PWR/1(2) pushbutton switch is off. Make sure that a WARNING NOTICE(S) is in position to tell persons not to energize the FADEC 1(2).
(3) Make sure that the ACCESS PLATFORM 1M (3 FT)-ADJUSTABLE is in position.

Subtask 71-13-12-010-051-A ** ON A/C NOT FOR ALL

B. Make sure that the fan cowl doors are open: (Ref. AMM TASK 71-13-00-010-040)
(1) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(2) FOR [1000EM2] (ENGINE-2)
447AL 448AR

4. Procedure
Subtask 71-13-12-420-050-A ** ON A/C NOT FOR ALL

A. Installation of the hold-open rod:
(1) Put the hold-open rod (50) in position on the mounting bracket (40). Attach the hold-open rod to the bracket with the bolt (45), the washer (30), the spacers (20), (25) and the nut (35).
(2) TORQUE the nut to between 140 and 100 lbf.in (1.58 and 1.13 m.daN )

.
(3) Push up the lock release sleeve (55) to engage the end of hold-open rod (50) in the retention bracket (60).
(4) Lower the fan cowl door and remove the fan cowl sling (5).
(5) Remove the universal attach pads (15) from the hoist points on the fan cowl door (10).
(6) Install the filler plugs in the fan cowl door.

5. Close-up
Subtask 71-13-12-410-050-A ** ON A/C NOT FOR ALL

A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close the fan cowl doors: (Ref. AMM TASK 71-13-00-410-040)
(3) FOR [1000EM1] (ENGINE-1)
437AL 438AR
(4) FOR [1000EM2] (ENGINE-2)
447AL 448AR
(5) Remove the access platform(s).
(6) Remove the WARNING NOTICE(S).

[Rev.10 from 2021] 2026.04.02 07:30:09 UTC