Removal of the Hold Open Rod Brackets [PW11]

TASK 71-13-86-000-801-A
Removal of the Hold Open Rod Brackets

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.

ZONE: 400

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

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 1M(3 FT)

B. Work Zones and Access Panels

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

C. 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 71-13-08-000-801-A	Removal of the Forward Fan Cowl Door Hold Open Rods (HOR)
Hold Open Rod Bracket Assemblies - LH
Hold Open Rod Bracket Assemblies - RH

3. Job Set-up
Subtask 71-13-86-941-050-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 71-13-86-010-050-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
(2) Put an ACCESS PLATFORM 1M(3 FT) in position.

4. Procedure
Subtask 71-13-86-020-050-A ** ON A/C NOT FOR ALL

A. Removal of the Hold Open Rod Brackets
(1) Remove the LH Hold Open Rod (HOR) bracket assemblies.
(2) Remove the fan cowl HOR bracket assembly (2) from the A-flange of the engine fan case.
(a) Disconnect the forward HOR from the bracket assembly (2) on the A-flange of the engine fan case (Ref. AMM TASK 71-13-08-000-801).

NOTE: Do not let the hold open rod hang loose. Damage to equipment can occur.

(b) Remove the three nuts (4), three washers (3) and three bolts (1) from holes 91, 92 and 93 that attach the bracket assembly (2) to the A-flange of the engine fan case.
(c) Remove the bracket assembly (2) from the A-flange of the engine fan case.
(3) Remove the fan cowl HOR bracket assembly (7) from the B-flange of the engine fan case.
(a) Make sure that the fan cowl aft HOR is in the stowed position.

NOTE: Do not let the hold open rod hang loose. Damage to equipment can occur.

(b) Remove the nuts (8) and (9), two washers (10) and bolts (5) and (6) from holes 106 and 107 that attach the bracket assembly (7) to the B-flange of the engine fan case.
(c) Remove the bracket assembly (7) from the B-flange of the engine fan case.
(4) Remove the thrust reverser HOR bracket assembly (13) from the B-flange of the engine fan case.
(a) Make sure that the thrust reverser HOR is in the stowed position.
(b) Remove the nuts (14) and (15), two washers (16) and bolts (11) and (12) from holes 97 and 98 that attach the bracket assembly (13) to the B-flange of the engine fan case.
(c) Remove the bracket assembly (13) from the B-flange of the engine fan case.
(5) Remove the RH hold open rod (HOR) bracket assemblies.
(6) Remove the fan cowl HOR bracket assembly (27) from the A-flange of the engine fan case.
(a) Disconnect the forward HOR from the bracket assembly (27) on the A-flange of the engine fan case (Ref. AMM TASK 71-13-08-000-801).

NOTE: Do not let the hold open rod hang loose. Damage to equipment can occur.

(b) Remove the three nuts (25), three washers (26) and three bolts (28) from holes 31, 32 and 33 that attach the bracket assembly (27) to the A-flange of the engine fan case.
(c) Remove the bracket assembly (27) from the A-flange of the engine fan case.
(7) Remove the fan cowl HOR bracket assembly (31) from the B-flange of the engine fan case.
(a) Make sure the fan cowl aft HOR is in the stowed position.

NOTE: Do not let the hold open rod hang loose. Damage to equipment can occur.

(b) Remove the two nuts (29), four washers (30) and two bolts (32) from holes 29 and 30 that attach the bracket assembly (31) to the B-flange of the engine fan case.
(c) Remove the bracket assembly (31) from the B-flange of the engine fan case.
(8) Remove the thrust reverser HOR bracket assembly (33) from the B-flange of the engine fan case.
(a) Make sure that the thrust reverser HOR is in the stowed position.
(b) Remove the two nuts (29), four washers (30) and two bolts (32) from holes 37 and 38 that attach the bracket assembly (33) to the B-flange of the engine fan case.
(c) Remove the bracket assembly (33) from the B-flange of the engine fan case.

[Rev.10 from 2021] 2026.04.01 02:32:55 UTC