W DOC AIRBUS | AMM A320F

Detailed Inspection of Outer Wing Trailing Edge Flap Actuator Brackets at Flap Tracks 2, 3 and 4

TASK 57-51-00-220-004-A
Detailed Inspection of Outer Wing Trailing Edge Flap Actuator Brackets at Flap Tracks 2, 3 and 4

WARNING: PUT THE SAFETY DEVICES AND THE WARNING NOTICES IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND THE RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR CAN CAUSE DAMAGE TO THE EQUIPMENT.
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.
CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
  • 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.
ZONE: 570
ZONE: 670
1. Reason for the Job
Refer to the MPD TASK: 575101-01
DETAILED INSPECTION OF OUTER WING, TRAILING EDGE FLAP ACTUATOR BRACKETS AT FLAP TRACKS 2,3 AND 4
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
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
98D27803500001
1
LOCKING TOOL ZERO POS
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
570
AFT SECTION OF L WING & TE FIXED STRUCT
670
AFT SECTION OF R WING & TE FIXED STRUCT
531CB, 532CB, 533CB, 631CB, 632CB, 633CB
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 57-55-11-000-001-A
Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-000-004-A
Removal of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-001-A
Installation of the Flap Track Fairings Nos. 2, 3 and 4
TASK 57-55-11-400-004-A
Installation of the Flap Track Fairings Nos. 2, 3 and 4
SRM 575100
 (for corrective action)
F Flap Actuator Brackets
3. Job Set-up
Subtask 57-51-00-941-061-A
A. Safety Precautions
   (1) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
   (2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
   (3) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-51-00-865-058-A
B. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
** ON A/C ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-51-00-010-054-A ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below zone 530 (630).
   (2) Remove the applicable access panels (Ref. AMM TASK 57-55-11-000-001):
Subtask 57-51-00-010-054-B ** ON A/C NOT FOR ALL
C. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below zone 530 (630).
   (2) Remove the applicable access panels (Ref. AMM TASK 57-55-11-000-004):
4. Procedure
CAUTION: BE CAREFUL WHEN YOU DO MAINTENANCE TASKS ON THE WING TRAILING EDGE:
  • 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.
Subtask 57-51-00-110-056-A
A. Preparation for Inspection
   (1) Use a Textile-Lint free Cotton - (Material No.14SBA1) , made moist with Non Aqueous Cleaner-General - - (Material No.08BAA9) to clean the flap actuator brackets at tracks 2, 3 and 4.
Subtask 57-51-00-210-068-A
B. Detailed Inspection of Outer Wing Trailing Edge Flap Actuator Brackets at Flap Tracks 2, 3 and 4
   (1) Examine the flap actuator brackets at tracks 2, 3 and 4 for:
  • corrosion
  • damage
  • scratches and scores
  • correct condition of protective finish.
NOTE: If necessary, refer to the SRM 575100 for the correct repair procedure.
5. Close-up
Subtask 57-51-00-410-055-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure the work area is clean and clear of tool(s) and other items.
   (2) Install the applicable access panels (Ref. AMM TASK 57-55-11-400-001):
Subtask 57-51-00-410-055-B ** ON A/C NOT FOR ALL
A. Close Access
   (1) Make sure the work area is clean and clear of tool(s) and other items.
   (2) Install the applicable access panels (Ref. AMM TASK 57-55-11-400-004):
Subtask 57-51-00-865-072-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB02
** ON A/C ALL
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-51-00-942-055-A
C. Removal of Equipment
   (1) Remove the 98D27803500001 LOCKING TOOL ZERO POS from the flap/slat control lever.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the access platform(s).
   (4) Remove the safety barriers.
   (5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.01 02:14:35 UTC
"Aviabrain" 2025