W DOC AIRBUS | AMM A320F

Special Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External, LH/RH

TASK 57-53-00-220-009-A
Special Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External, LH/RH

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: 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.
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.
CAUTION: DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.
ZONE: 587
ZONE: 687
1. Reason for the Job
Refer to the MPD TASK: 575305-02
SPECIAL DETAILED INSPECTION (ENDOSCOPE) OF OUTBOARD FLAP, FRONT SPAR SPLICES AND ATTACHMENT AREAS AT TRACK 4, INTERNAL AND EXTERNAL, LH/RH

NOTE: The effectivity of this task is ALL. To know if this task is applicable for your aircraft, refer to the MPD task applicability and the weight variant data given in the SRM introduction.
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE
No specific
AR
SAFETY BARRIER(S)
No specific
AR
SAFETY CLIP - CIRCUIT BREAKER
No specific
AR
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.05RAB9)
Adhesive Film Tape-- Aluminium Foil -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
587
FLAP N° 2
687
FLAP N° 2
533AT, 533CB, 633AT, 633CB
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 27-50-00-866-008-A
Extension of the Flaps on the Ground
TASK 27-50-00-866-008-A-01
Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A
Retraction of the Flaps on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 27-54-62-000-003-A
Removal of the Leading Edge Panels 2 and 5 on the Outboard Flap
TASK 27-54-62-400-003-A
Installation of the Leading Edge Panels 2 and 5 on the Outboard Flap
TASK 51-78-00-916-001-A
Application of Temporary Protection System (TPS)
TASK 57-53-00-200-006-A
Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External LH/RH
TASK 57-55-11-000-001-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
NTM 575305
SRM 575300
 (for corrective action)
F Outboard Flap - Front Spar Splices and Attachment Areas
3. Job Set-up
Subtask 57-53-00-941-072-A ** ON A/C NOT FOR ALL
A. Safety Precautions
   (1) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
   (2) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 57-53-00-860-115-A ** ON A/C NOT FOR ALL
B. Aircraft Maintenance Configuration
   (1) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
   (2) Make sure that the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is on the flap/slat control lever.
Subtask 57-53-00-865-093-A ** ON A/C NOT FOR ALL
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-53-00-010-067-A ** ON A/C NOT FOR ALL
D. Get Access
F Outboard Flap - Front Spar Splices and Attachment Areas ** ON A/C NOT FOR ALL
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge at flap track 4, zone 533 (633).
   (2) Remove the access panel 533AT ( 633AT) and the flap track 4 fairing 533CB ( 633CB) (Ref. AMM TASK 57-55-11-000-001).
   (3) Remove the outboard flap leading edge panel 5 (Ref. AMM TASK 27-54-62-000-003).
   (4) Remove and discard the covers from the inspection holes on the front spar.
   (5) Make sure that the applicable inspection holes are clear of unwanted material.
Subtask 57-53-00-110-099-A ** ON A/C NOT FOR ALL
E. Preparation of the Inspection Area
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.
   (1) Make sure that the inspection area is sufficiently clean to do the inspection of the area.
   (2) If necessary, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
   (3) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).
4. Procedure
Subtask 57-53-00-280-057-A ** ON A/C NOT FOR ALL
A. Special Detailed Inspection of Outboard Flap, Front Spar Splices and Attachment Areas at Track 4, Internal and External, LH/RH
NOTE: The inspection procedure must be done at the same time with the inspection procedure for MPD 57530501 (Ref. AMM TASK 57-53-00-200-006).
   (1) Do a special detailed inspection of the front spar splices and the attachment areas, internally and externally NTM 575305.
NOTE: If necessary, refer to the SRM 575300 for the correct repair procedure. If the defect is not included in this repair, you must request a procedure from AIRBUS.
5. Close-up
Subtask 57-53-00-410-066-A ** ON A/C NOT FOR ALL
A. Close Access
F Outboard Flap - Front Spar Splices and Attachment Areas ** ON A/C NOT FOR ALL
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Use Adhesive Film Tape-- Aluminium Foil - (Material No.05RAB9) cut to the correct dimensions, to make new covers for the inspection holes.
   (3) Install the new covers on the inspection holes.
   (4) Install the leading edge panel 5 (Ref. AMM TASK 27-54-62-400-003).
   (5) Install the flaptrack 4 fairing 533CB ( 633CB) and the access panel 533AT ( 633AT) (Ref. AMM TASK 57-55-11-400-001).
Subtask 57-53-00-865-094-A ** ON A/C NOT FOR ALL
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
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-53-00-860-116-A ** ON A/C NOT FOR ALL
C. Aircraft Maintenance Configuration
   (1) Remove the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
   (2) Fully retract the flaps (Ref. AMM TASK 27-50-00-866-009).
Subtask 57-53-00-942-071-A ** ON A/C NOT FOR ALL
D. Removal of Equipment
   (1) Remove the WARNING NOTICE(S).
   (2) Remove the access platform(s).
   (3) Remove the safety barriers.
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 07:28:35 UTC
AVIA BRAIN PRODUCTION 2026