DOC AIRBUS | AMM A320FInstallation of the Flight Lock Actuator (FLA)
TASK 52-22-71-400-801-A
Installation of the Flight Lock Actuator (FLA)
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 52-22-71-860-052-A ** ON A/C NOT FOR ALL
Subtask 52-22-71-420-052-A ** ON A/C NOT FOR ALL
Subtask 52-22-71-410-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.02 06:27:46 UTC
Installation of the Flight Lock Actuator (FLA)
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
FIN: 30WN1 ** ON A/C NOT FOR ALL
FIN: 30WN2 ** ON A/C NOT FOR ALL
FIN: 30WN3 ** ON A/C NOT FOR ALL
FIN: 30WN4 ** ON A/C NOT FOR ALL
1. Reason for the JobFIN: 30WN2 ** ON A/C NOT FOR ALL
FIN: 30WN3 ** ON A/C NOT FOR ALL
FIN: 30WN4 ** ON A/C NOT FOR ALL
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | Torque wrench: range to between 4.5 and 3.7 m.N (39.82 and 32.74 lbf.in )  |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.04TMB2) | Varnish-- Electrical Bonding Structure |
| (Material No.06ACA1) | Polysulfide Sealant-Low Density Multi Purpose Brushable - |
| (Material No.06LCG9) | Non Hardening Jointing Putty-Medium Temp. Area - - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 833, 834, 843, 844 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-28-00-912-802-A | Electrical Bonding - General Maintenance Procedure |
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 25-23-47-000-803-A | Removal of the Door Lining from the Overwing Emergency Exit |
| TASK 25-23-47-400-803-A | Installation of the Door Lining on the Overwing Emergency Exit |
| TASK 52-22-00-410-802-A | Closing of the Overwing Emergency-Exit Door from the Passenger Compartment |
| TASK 52-22-00-710-804-A | Operational Check of the Flight Lock Actuator (FLA) |
Flight Lock Actuator (FLA)Subtask 52-22-71-860-052-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that applicable overwing emergency door 833 ( 843) or 834 ( 844) is closed, latched and locked (Ref. AMM TASK 52-22-00-410-802).
(3) Make sure that the door lining of the applicable overwing emergency door is removed (Ref. AMM TASK 25-23-47-000-803).
Subtask 52-22-71-865-057-A ** ON A/C NOT FOR ALL (1) Make sure that the aircraft electrical circuits are energized (Ref. AMM TASK 24-41-00-861-002).
(2) Make sure that applicable overwing emergency door 833 ( 843) or 834 ( 844) is closed, latched and locked (Ref. AMM TASK 52-22-00-410-802).
(3) Make sure that the door lining of the applicable overwing emergency door is removed (Ref. AMM TASK 25-23-47-000-803).
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 52-22-71-910-050-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
| 122VU | FLIGHT LOCK OWD | 40WN | U16 |
C. Preparation for Installation
(1) Do an inspection of the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) on the thread of the screws (2) and (6).
4. Procedure(1) Do an inspection of the component interfaces and the adjacent area.
(2) Make sure that the parts retained from the removed component are clean and in the correct condition.
(3) Apply Non Hardening Jointing Putty-Medium Temp. Area - - (Material No.06LCG9) on the thread of the screws (2) and (6).
Subtask 52-22-71-420-052-A ** ON A/C NOT FOR ALL
A. Installation of the FLA
(1) Put the FLA (1) in the correct position on the frame (4):
(a) Align the FLA (1) with the shaft hole (5) from the frame (4).
(b) Adjust the FLA (1) to align it with the guide pins (3) and push it in the installation position.
(2) TORQUE the screws (2) and (6) to between 4.5 and 3.7 m.N (39.82 and 32.74 lbf.in ).
(3) Do the electrical bonding of the FLA (1) at the screw (6) (Ref. AMM TASK 20-28-00-912-802):
(a) Apply Polysulfide Sealant-Low Density Multi Purpose Brushable - (Material No.06ACA1) and Varnish-- Electrical Bonding Structure (Material No.04TMB2) on the head of the screw (6).
(4) Remove the CAP-BLANKING from each electrical connector and receptacle.
(5) Make sure that all the electrical connections are clean and in the correct condition.
(6) Connect the electrical connector (7) to the FLA (1).
Subtask 52-22-71-865-058-A ** ON A/C NOT FOR ALL (1) Put the FLA (1) in the correct position on the frame (4):
(a) Align the FLA (1) with the shaft hole (5) from the frame (4).
(b) Adjust the FLA (1) to align it with the guide pins (3) and push it in the installation position.
(2) TORQUE the screws (2) and (6) to between 4.5 and 3.7 m.N (39.82 and 32.74 lbf.in )
. (3) Do the electrical bonding of the FLA (1) at the screw (6) (Ref. AMM TASK 20-28-00-912-802):
(a) Apply Polysulfide Sealant-Low Density Multi Purpose Brushable - (Material No.06ACA1) and Varnish-- Electrical Bonding Structure (Material No.04TMB2) on the head of the screw (6).
(4) Remove the CAP-BLANKING from each electrical connector and receptacle.
(5) Make sure that all the electrical connections are clean and in the correct condition.
(6) Connect the electrical connector (7) to the FLA (1).
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-22-71-710-057-A ** ON A/C NOT FOR ALL 5. Close-up| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | EIS/SDAC1 AND 2/DOOR/DET/PAX | 48WV | P05 |
| 122VU | FLIGHT LOCK OWD | 40WN | U16 |
Subtask 52-22-71-410-052-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) Install the lining of the applicable overwing emergency door 833 ( 843) or 834 ( 844) (Ref. AMM TASK 25-23-47-400-803).
Subtask 52-22-71-860-056-A ** ON A/C NOT FOR ALL (1) Make sure that the work area is clean and clear of tools and other items.
(2) Install the lining of the applicable overwing emergency door 833 ( 843) or 834 ( 844) (Ref. AMM TASK 25-23-47-400-803).
B. Aircraft Maintenance Configuration
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) De-energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-862-002).
(2) Remove the ground support and maintenance equipment, the special and standard tools and all other items.