DOC AIRBUS | AMM A320FInstallation of the Access Panel 522BT(622BT)
TASK 57-41-37-400-803-A
Installation of the Access Panel 522BT(622BT)
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 57-41-37-941-083-A
Subtask 57-41-37-210-069-B
Subtask 57-41-37-865-104-A
[Rev.10 from 2021]
2026.04.01 02:13:35 UTC
Installation of the Access Panel 522BT(622BT)
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING:
PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
1. Reason for the Job- THE FLIGHT CONTROLS
- THE FLIGHT CONTROL SURFACES
- THE LANDING GEAR AND THE RELATED DOORS
- COMPONENTS THAT MOVE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | SCRAPER - NON METALLIC |
| No specific | AR | WARNING NOTICE(S) |
| 98D27803000000 | 1 | LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.06AAB1) | Polysulfide Sealant-General Purpose Fillet - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 522 | OUTBOARD FIXED L.E STRUCTURE |
| 622 | OUTBOARD FIXED L.E STRUCTURE |
| 522BT, 622BT |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 20-21-11-911-001-A | Tightening Torques for Standard Threaded Fasteners |
| TASK 27-80-00-866-004-A | Extending the Slats on the Ground |
| TASK 27-80-00-866-005-A | Retracting the Slats on the Ground |
Access Panel 522BT(622BT) - Location and DetailSubtask 57-41-37-941-083-A
A. Safety Precautions
(1) Make sure that the SAFETY BARRIER(S) are in position.
Subtask 57-41-37-860-083-A (1) Make sure that the SAFETY BARRIER(S) are in position.
B. Aircraft Maintenance Configuration
(1) Make sure that the slats are fully extended (Ref. AMM TASK 27-80-00-866-004).
(2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(3) Make sure that the WARNING NOTICE(S) is in position in the cockpit to tell persons not to operate the slats.
Subtask 57-41-37-865-103-A (1) Make sure that the slats are fully extended (Ref. AMM TASK 27-80-00-866-004).
(2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed on the flap/slat control lever.
(3) Make sure that the WARNING NOTICE(S) is in position in the cockpit to tell persons not to operate the slats.
C. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 57-41-37-010-071-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
D. Get Access
(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the applicable access panel 522BT ( 622BT).
4. Procedure(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the applicable access panel 522BT ( 622BT).
Subtask 57-41-37-210-069-B
A. Preparation for Installation
(1) Do an inspection of the component interfaces and the adjacent area.
(2) Use a SCRAPER - NON METALLIC and a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean:
Subtask 57-41-37-420-069-B (1) Do an inspection of the component interfaces and the adjacent area.
(2) Use a SCRAPER - NON METALLIC and a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean:
- The interface of the access panel (1)
- The adjacent surface.
B. Installation of the Access Panel 522BT(622BT)
(1) Hold the access panel (1) in position and install the bolts (2).
(2) Torque the bolts (2) (Ref. AMM TASK 20-21-11-911-001).
(3) Put the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) in the space between the access panel (1) and the adjacent surface.
5. Close-up(1) Hold the access panel (1) in position and install the bolts (2).
(2) Torque the bolts (2) (Ref. AMM TASK 20-21-11-911-001).
(3) Put the Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) in the space between the access panel (1) and the adjacent surface.
Subtask 57-41-37-865-104-A
A. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 57-41-37-410-067-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| ** ON A/C ALL | |||
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
B. Close Access
(1) Remove the access platform(s).
Subtask 57-41-37-860-084-A (1) Remove the access platform(s).
C. Aircraft Maintenance Configuration
(1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(2) Retract the slats (Ref. AMM TASK 27-80-00-866-005).
Subtask 57-41-37-942-070-A (1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
(2) Retract the slats (Ref. AMM TASK 27-80-00-866-005).
D. Removal of Equipment
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Remove the safety barriers.
(2) Remove the WARNING NOTICE(S).
(3) Remove the ground support and maintenance equipment, the special and standard tools and all other items.