DOC AIRBUS | AMM A320FRemoval of the Fan Cowl Hold Open Rods (HORs) Engine Brackets [CFML]
TASK 71-40-41-000-805-A
Removal of the Fan Cowl Hold Open Rods (HORs) Engine Brackets
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 71-40-41-941-058-A
Subtask 71-40-41-020-054-A
[Rev.10 from 2021]
2026.04.02 06:33:27 UTC
Removal of the Fan Cowl Hold Open Rods (HORs) Engine Brackets
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.
WARNING:
MAKE SURE THAT YOU USE THE FAN COWL DOOR SLING TO HOLD EACH FAN COWL IN THE OPEN POSITION. IF THE SLING IS NOT USED, THE COWL WILL NOT BE HELD CORRECTLY AND CAN CLOSE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO THE COWL.
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.
ZONE: 400
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 1M(3 FT) |
| No specific | AR | INSTALLATION TOOL - TIE WRAP |
| No specific | 1 | SLING - LIFT |
| No specific | AR | WARNING NOTICE(S) |
| 98N7110H001-000 | 1 | FAN COWL HOISTING DEVICE |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 400 | POWER PLANT, NACELLES AND PYLONS |
| 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 |
ToolingSubtask 71-40-41-941-058-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 a 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 71-40-41-010-058-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 a 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) Remove the filler plugs (38) from the lower hoist points of the fan cowl door. Keep the plugs for the installation.
(2) Remove the filler plugs (38) from the upper hoist points of the fan cowl door. Keep the plugs for the installation.
(3) Put the sling fan cowl (22) in position on the fan cowl door.
(a) FOR [4020KM1] (POWER PLANT-DEMOUNTABLE, ENGINE 1)
437AL 438AR
(b) FOR [4020KM2] (POWER PLANT-DEMOUNTABLE, ENGINE 2)
447AL 448AR
(6) Put an ACCESS PLATFORM 1M(3 FT) in position.
4. Procedure(1) Remove the filler plugs (38) from the lower hoist points of the fan cowl door. Keep the plugs for the installation.
(2) Remove the filler plugs (38) from the upper hoist points of the fan cowl door. Keep the plugs for the installation.
(3) Put the sling fan cowl (22) in position on the fan cowl door.
NOTE: The sling fan cowl (22) is part of the 98N7110H001-000 FAN COWL HOISTING DEVICE.
(4) Install the pad universal attach (37) on the hoist points of fan cowl door with the pad universal attach screw (23). NOTE: The pad universal attach (37) and (23) are parts of the 98N7110H001-000 FAN COWL HOISTING DEVICE.
(5) Open the fan cowl doors (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
(6) Put an ACCESS PLATFORM 1M(3 FT) in position.
Subtask 71-40-41-020-054-A
A. Removal of the Fan Cowl Hold Open Rods (HORs) Engine Brackets
(1) Removal of the fan cowl aft Left Hand (LH) HOR bracket spool (2) as follows:
(a) Make sure that the SLING - LIFT is connected to the LH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the aft LH HOR from the spool (2).
(c) Remove the nut (5) and washer (4) from the spool (2).
(d) Remove the spool (2) and washer (3) from the fan cowl HOR bracket (19).
(2) Removal of the aft LH HOR bracket (19).
(a) Make sure that the SLING - LIFT is connected to the LH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Remove the bracket (19) from the support bracket (18) by removing the two bolts (6).
(c) Remove the bracket (19) from the engine.
(3) Removal of the fan cowl aft Right Hand (RH) HOR bracket spool (30) as follows:
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the aft RH HOR from the spool (30).
(c) Remove the nut (27) and washer (26) from the spool (30).
(d) Remove the spool (30) and the washer (29) from the fan cowl HOR bracket (28).
(4) Removal of the aft RH HOR bracket (28).
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Remove the bracket (28) from the flange by removing the two nuts (25), two washers (24) and two bolts (31).
(c) Disconnect the two harnesses from the clips of the bracket (28).
(d) Remove the bracket (28) from the engine.
(5) Removal of the forward LH HOR bracket (1).
(a) Make sure that the SLING - LIFT is connected to the LH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the forward LH HOR from the bracket (1).
(c) Remove the bolt (21) to remove the power feeder cable (20) from the bracket (1).
(d) Remove the two nuts (9), two washers (8), two bolts (6) and two washers (7) that attach the forward bracket (1).
(e) Remove the bracket (1) from the engine.
PRE SPOL BD-EBU-17002 AND POST SPOL BD-EBU-17018
(6) Removal of the forward RH HOR bracket (17) and bridge fitting (12).
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the forward RH HOR from the bracket (17).
(c) Remove the bracket (17) from the bridge fitting (12) by removing the two bolts (11).
(d) Remove the bracket (17) from the bridge fitting (12).
(e) Remove the bridge fitting (12) by removing the three nuts (15), three bolts (10), three washers (40), three washers (42), two nuts (13), two bolts (14) and two washers (41).
(f) Remove the bridge fitting (12) from the engine and from the bracket (16).
END OF PRE SPOL BD-EBU-17002 AND POST SPOL BD-EBU-17018
POST SPOL BD-EBU-17002 AND PRE SPOL BD-EBU-17018
(7) Removal of the forward RH HOR bracket (17) and bridge fitting (12):
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that the SLING - LIFT supports the fan-cowl-door weight.
(b) Remove the bracket (17) from the bridge fitting (12) by removing the two bolts (11), four washers (35) and two nuts (36).
(c) Remove the bracket (17) from the bridge fitting (12).
(d) Remove the bridge fitting (12) by removing the three bolts (10), three washers (32), one washer (33), EEC retaining bracket (34) and three nuts (15).
(e) Remove the bridge fitting (12) from the fan case.
(f) Secure EEC retaining bracket (34) with the INSTALLATION TOOL - TIE WRAP.
END OF POST SPOL BD-EBU-17002 AND PRE SPOL BD-EBU-17018
(1) Removal of the fan cowl aft Left Hand (LH) HOR bracket spool (2) as follows:
(a) Make sure that the SLING - LIFT is connected to the LH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the aft LH HOR from the spool (2).
(c) Remove the nut (5) and washer (4) from the spool (2).
(d) Remove the spool (2) and washer (3) from the fan cowl HOR bracket (19).
(2) Removal of the aft LH HOR bracket (19).
(a) Make sure that the SLING - LIFT is connected to the LH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Remove the bracket (19) from the support bracket (18) by removing the two bolts (6).
(c) Remove the bracket (19) from the engine.
(3) Removal of the fan cowl aft Right Hand (RH) HOR bracket spool (30) as follows:
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the aft RH HOR from the spool (30).
(c) Remove the nut (27) and washer (26) from the spool (30).
(d) Remove the spool (30) and the washer (29) from the fan cowl HOR bracket (28).
(4) Removal of the aft RH HOR bracket (28).
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Remove the bracket (28) from the flange by removing the two nuts (25), two washers (24) and two bolts (31).
(c) Disconnect the two harnesses from the clips of the bracket (28).
(d) Remove the bracket (28) from the engine.
(5) Removal of the forward LH HOR bracket (1).
(a) Make sure that the SLING - LIFT is connected to the LH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the forward LH HOR from the bracket (1).
(c) Remove the bolt (21) to remove the power feeder cable (20) from the bracket (1).
(d) Remove the two nuts (9), two washers (8), two bolts (6) and two washers (7) that attach the forward bracket (1).
(e) Remove the bracket (1) from the engine.
PRE SPOL BD-EBU-17002 AND POST SPOL BD-EBU-17018
(6) Removal of the forward RH HOR bracket (17) and bridge fitting (12).
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that, the SLING - LIFT supports the fan-cowl-door weight.
(b) Disconnect the forward RH HOR from the bracket (17).
(c) Remove the bracket (17) from the bridge fitting (12) by removing the two bolts (11).
(d) Remove the bracket (17) from the bridge fitting (12).
(e) Remove the bridge fitting (12) by removing the three nuts (15), three bolts (10), three washers (40), three washers (42), two nuts (13), two bolts (14) and two washers (41).
(f) Remove the bridge fitting (12) from the engine and from the bracket (16).
END OF PRE SPOL BD-EBU-17002 AND POST SPOL BD-EBU-17018
POST SPOL BD-EBU-17002 AND PRE SPOL BD-EBU-17018
(7) Removal of the forward RH HOR bracket (17) and bridge fitting (12):
(a) Make sure that the SLING - LIFT is connected to the RH fan-cowl-door hoist point and that the SLING - LIFT supports the fan-cowl-door weight.
(b) Remove the bracket (17) from the bridge fitting (12) by removing the two bolts (11), four washers (35) and two nuts (36).
(c) Remove the bracket (17) from the bridge fitting (12).
(d) Remove the bridge fitting (12) by removing the three bolts (10), three washers (32), one washer (33), EEC retaining bracket (34) and three nuts (15).
(e) Remove the bridge fitting (12) from the fan case.
(f) Secure EEC retaining bracket (34) with the INSTALLATION TOOL - TIE WRAP.
END OF POST SPOL BD-EBU-17002 AND PRE SPOL BD-EBU-17018