Installation of the Access Panel
TASK 57-51-37-400-003-A
Installation of the Access Panel
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Referenced Information
3. Job Set-up
Subtask 57-51-37-941-055-A
Subtask 57-51-37-942-053-A
[Rev.10 from 2021]
2026.04.01 02:15:31 UTC
Installation of the Access Panel
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
WARNING:
MAKE SURE THAT THE GROUND SAFETY-LOCKS ARE IN POSITION ON THE LANDING GEAR. THIS WILL PREVENT UNWANTED MOVEMENT OF THE LANDING GEAR, AND THUS POSSIBLE INJURY TO PERSONS AND DAMAGE TO THE AIRCRAFT AND/OR EQUIPMENT.
WARNING:
MAKE SURE THAT THE FLIGHT CONTROL SAFETY-LOCKS AND THE WARNING NOTICES ARE IN POSITION.
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
1. Reason for the Job- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE |
| No specific | AR | SAFETY BARRIER(S) |
| No specific | AR | WARNING NOTICE(S) |
| No specific | Torque wrench: range to between 0.4 and 0.3 m.daN (35.40 and 26.55 lbf.in ) ![]() | |
| 98D27803500001 | 1 | LOCKING TOOL ZERO POS |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.06AAB1) | Polysulfide Sealant-General Purpose Fillet - |
| (Material No.06AEA1) | Polysulfide Sealant-Low Adhesion Brushable - |
| (Material No.06AEB2) | Polysulfide Sealant-Low Adhesion Fillet Structure |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 57-51-37-960-001-A | Replacement of the Lower Trailing Edge Access Panel Seals |
Subtask 57-51-37-941-055-A
A. Safety Precautions
(1) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS is installed on the flap/slat control lever.
(2) Make sure that the WARNING NOTICE(S) are in position in the cockpit to tell persons not to operate the flaps or slats.
(3) Make sure that the SAFETY BARRIER(S) are in position.
Subtask 57-51-37-860-051-A (1) Make sure that the 98D27803500001 LOCKING TOOL ZERO POS is installed on the flap/slat control lever.
(2) Make sure that the WARNING NOTICE(S) are in position in the cockpit to tell persons not to operate the flaps or slats.
(3) Make sure that the SAFETY BARRIER(S) are in position.
B. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the applicable zone 573(673).
4. Procedure(1) Make sure that the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE is in position below the applicable zone 573(673).
CAUTION:
BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
Subtask 57-51-37-420-052-A - DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE RACEWAYS.
- DO NOT CAUSE DAMAGE TO THE ELECTRICAL CABLE INSTALLATIONS.
- MAKE SURE THAT THE ELECTRICAL CABLES ARE INSTALLED CORRECTLY. INCORRECT INSTALLATION CAN CAUSE DAMAGE.
A. Preparation for Installation
(1) Clean the component interfaces and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) If the access panel seal is damaged, replace it (Ref. AMM TASK 57-51-37-960-001).
Subtask 57-51-37-420-053-A (1) Clean the component interfaces and/or the adjacent area with a Textile-Lint free Cotton - (Material No.14SBA1) made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) .
(2) Do an inspection of the component interfaces and the adjacent area.
(3) Make sure that the parts retained from the removed component are clean and in the correct condition.
(4) If the access panel seal is damaged, replace it (Ref. AMM TASK 57-51-37-960-001).
B. Installation of the Access Panel
(1) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to the aircraft structure/component interface.
(2) Put the access panel (2) in position.
(3) Install the screws (1).
(4) TORQUE the screws (1) to between 0.4 and 0.3 m.daN (35.40 and 26.55 lbf.in )
.
(5) Fill the clearance between the access panel (2) and the trailing edge of the wing skin with Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) .
5. Close-up(1) Apply Polysulfide Sealant-Low Adhesion Brushable - (Material No.06AEA1) or Polysulfide Sealant-Low Adhesion Fillet Structure (Material No.06AEB2) to the aircraft structure/component interface.
(2) Put the access panel (2) in position.
(3) Install the screws (1).
(4) TORQUE the screws (1) to between 0.4 and 0.3 m.daN (35.40 and 26.55 lbf.in )
. (5) Fill the clearance between the access panel (2) and the trailing edge of the wing skin with Polysulfide Sealant-General Purpose Fillet - (Material No.06AAB1) .
Subtask 57-51-37-942-053-A
A. Removal of Equipment
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the safety barriers.
(4) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(5) Remove the WARNING NOTICE(S).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Remove the access platform(s).
(3) Remove the safety barriers.
(4) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
(5) Remove the WARNING NOTICE(S).
Lower Trailing Edge Access Panel 573FB(673FB)