DOC AIRBUS | AMM A320FDisconnection of the Forward Hold-Open Rod (HOR) Fitting if there is Jamming [CFML]
TASK 71-13-12-040-801-A
Disconnection of the Forward Hold-Open Rod (HOR) Fitting if there is Jamming
Self explanatory
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 71-13-12-941-055-A
Subtask 71-13-12-020-055-A
[Rev.10 from 2021]
2026.04.02 06:33:19 UTC
Disconnection of the Forward Hold-Open Rod (HOR) Fitting if there is Jamming
WARNING:
BE CAREFUL WHEN YOU DO WORK ON THE ENGINE PARTS AFTER THE ENGINE SHUTDOWN. USE APPLICABLE THERMAL GLOVES. THE ENGINE PARTS CAN STAY HOT FOR ONE HOUR AFTER SHUTDOWN AND CAN BURN YOU.
CAUTION:
MAKE SURE THAT AT OPEN POSITION, THE WEIGHT OF THE FAN COWL DOOR IS SUPPORTED BY THE SLING-FC POSITION.
CAUTION:
DO NOT EXTEND THE SLATS WHEN THE FAN COWLS AND THE THRUST REVERSER COWLS ARE OPEN. IF YOU DO THIS, DAMAGE TO THE AIRCRAFT CAN OCCUR.
1. Reason for the JobSelf explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| 98N7110H001-000 | 1 | FAN COWL HOISTING DEVICE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1) | |
| 437AL, 438AR | |
| FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2) | |
| 447AL, 448AR | |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 71-13-00-010-803-A | Opening of the Fan Cowl Doors |
| TASK 71-13-12-000-803-A | Removal of the Forward Fan Cowl Hold Open Rod |
Removal/Installation of the ToolingSubtask 71-13-12-941-055-A
A. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
Subtask 71-13-12-010-058-A (1) On the center pedestal, on ENG panel 115VU:
(a) Make sure that the ENG/MODE selector switch is in the NORM position.
(b) Make sure that the ENG/MASTER 1(2) control switch was in the OFF position not less than five minutes before you do this procedure.
(c) Put WARNING NOTICE(S) in position to tell persons not to operate:
- The ENG/MODE selector switch
- The ENG/MASTER 1(2) control switch.
(a) Make sure that the ON legend of the FADEC GND PWR/1(2) pushbutton switch is off.
(b) Put a WARNING NOTICE(S) in position to tell persons not to energize FADEC 1(2).
B. Get Access
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
4. Procedure(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position.
Subtask 71-13-12-020-055-A
A. Removal of the Filler Plugs
(1) Remove the filler plugs (1) from the lower hoist points of the fan cowl doors. Keep the plugs for installation when this task is completed.
(2) Remove the filler plugs (1) from the upper hoist points of the fan cowl doors. Keep the plugs for installation when this task is completed.
Subtask 71-13-12-480-050-A (1) Remove the filler plugs (1) from the lower hoist points of the fan cowl doors. Keep the plugs for installation when this task is completed.
(2) Remove the filler plugs (1) from the upper hoist points of the fan cowl doors. Keep the plugs for installation when this task is completed.
B. Installation of the Tooling
(1) Put the sling-fan cowl (3) in position on the fan cowl doors
Subtask 71-13-12-080-050-A (1) Put the sling-fan cowl (3) in position on the fan cowl doors
NOTE: The sling-fan cowl (3) is part of the 98N7110H001-000 FAN COWL HOISTING DEVICE.
(2) Install the pad universal attach (5) on the hoist points of the fan cowl doors with the pad universal attach screws (4). NOTE: The pad universal attach (5) and the pad universal attach screws (4) are part of the 98N7110H001-000 FAN COWL HOISTING DEVICE.
C. Removal of the Access Platform
(1) Remove the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE.
Subtask 71-13-12-020-056-A (1) Remove the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE.
D. Removal of the Fasteners of the HOR Forward Fitting Assy
(1) Get access to the work area.
(2) Remove the screws (6) and washers (7).
Subtask 71-13-12-010-059-A (1) Get access to the work area.
(2) Remove the screws (6) and washers (7).
NOTE: The fan cowl doors are now free from the jammed front HOR.
E. Get Access
(1) Open the fan cowl doors to the fully open position (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) During the opening, lift the sling-fan cowl (3) at the same time.
(3) Be careful to not cause damage to the HOR forward fitting assy.
Subtask 71-13-12-080-051-A (1) Open the fan cowl doors to the fully open position (Ref. AMM TASK 71-13-00-010-803):
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(2) During the opening, lift the sling-fan cowl (3) at the same time.
(3) Be careful to not cause damage to the HOR forward fitting assy.
F. Removal of the HOR Forward Fitting Assy
(1) Remove the fasteners between the HOR forward fitting assy (8) and the HOR lower end (Ref. AMM TASK 71-13-12-000-803).
(2) Remove the HOR forward fitting assy (8).
Subtask 71-13-12-080-052-A (1) Remove the fasteners between the HOR forward fitting assy (8) and the HOR lower end (Ref. AMM TASK 71-13-12-000-803).
(2) Remove the HOR forward fitting assy (8).
G. Removal of the Forward HOR from the Engine Bracket
(1) Remove the forward HOR from the engine bracket (Ref. AMM TASK 71-13-12-000-803).
(1) Remove the forward HOR from the engine bracket (Ref. AMM TASK 71-13-12-000-803).