W DOC AIRBUS | AMM A320F

Special Detailed Inspection (HFEC) of Outer-Wing Flap-Track-Beams 2, 3, 4 Track-Upper-Flange-Radii

TASK 57-26-00-220-003-A
Special Detailed Inspection (HFEC) of Outer-Wing Flap-Track-Beams 2, 3, 4 Track-Upper-Flange-Radii

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.
ZONE: 530
ZONE: 630
1. Reason for the Job
Refer to the MPD TASK: 572601-02
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)
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
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
530
L WG FLAP TAB, FLAP TRACK FAIR & WG TIP
630
RIGHT WING FLAP TRACK FAIR AND WING TIP
531CB, 532CB, 533CB, 631CB, 632CB, 633CB
531AB, 531BB, 532AB, 532BB, 533AB, 533BB, 631AB, 631BB, 632AB, 632BB, 633AB, 633BB
531EB, 532EB, 533EB, 631EB, 632EB, 633EB
 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 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
NTM 572601
SRM 57260000
 (for corrective action)
F Flap Track Beams 2, 3 and 4 - Track Upper Flange Radii
3. Job Set-up
Subtask 57-26-00-941-056-A
A. Safety Precautions
   (1) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
   (2) Put WARNING NOTICE(S) in the cockpit to tell persons not to operate the flaps or slats.
Subtask 57-26-00-866-054-A
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 57-26-00-865-054-A
C. Open, safety and tag this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-26-00-010-056-A ** ON A/C NOT FOR ALL
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge at flap tracks 2, 3 and 4, zones 531(631), 532(632) and 533(633).
   (2) Remove the applicable flap track fairing access panels (Ref. AMM TASK 57-55-11-000-001):
     (a) For flap track 2, remove:
     (b) For flap track 3, remove:
     (c) For flap track 4, remove:
Subtask 57-26-00-010-056-B ** ON A/C NOT FOR ALL
D. Get Access
   (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE below the applicable wing trailing edge at flap tracks 2, 3 and 4, zones 531(631), 532(632) and 533(633).
   (2) Remove the applicable flap track fairing access panels (Ref. AMM TASK 57-55-11-000-004):
     (a) for flap track 2, remove:
     (b) for flap track 3, remove:
     (c) for flap track 4, remove:
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 57-26-00-110-056-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 applicable flap track beam.
Subtask 57-26-00-280-052-A
B. Special Detailed Inspection (HFEC) of Outer-Wing Flap-Track-Beams 2, 3, 4 Track-Upper-Flange-Radii
   (1) Do a special detailed inspection of the upper flange radii of the flap track beams 2, 3 and 4 NTM 572601.
   (2) To complete the inspection:
     (a) Remove 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION from the flap/slat control lever.
     (b) Retract the flaps (Ref. AMM TASK 27-50-00-866-009) as required, to get access to the flap track beam under the flap track carriage.
     (c) Install the 98D27803500001 LOCKING TOOL ZERO POS on the flap/slat control lever.
NOTE: If necessary, refer to the SRM 57260000 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 57-26-00-410-057-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) Remove the 98D27803500001 LOCKING TOOL ZERO POS.
   (3) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
   (4) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
   (5) Install the applicable flap track fairing access panels (Ref. AMM TASK 57-55-11-400-001)
     (a) for flap track 2, install:
     (b) for the flap track 3, Install
     (c) for the flap track 4, Install
Subtask 57-26-00-410-057-B ** 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) Remove the 98D27803500001 LOCKING TOOL ZERO POS.
   (3) Fully extend the flaps (Ref. AMM TASK 27-50-00-866-008).
   (4) Install the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION on the flap/slat control lever.
   (5) Install the applicable flap track fairing access panels (Ref. AMM TASK 57-55-11-400-004)
     (a) for the flap track 2, install:
     (b) for the flap track 3, install:
     (c) for the flap track 4, install:
Subtask 57-26-00-865-055-A
B. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
PANELDESIGNATIONFINLOCATION
** ON A/C ALL
49VUFLIGHT CONTROLS/FLP/CTL AND MONG/SYS16CVB07
121VUFLIGHT CONTROLS/FLP/CTL AND/MONG/SYS28CVQ21
Subtask 57-26-00-866-055-A
C. Aircraft Maintenance Configuration
   (1) Retract the flaps (Ref. AMM TASK 27-50-00-866-009).
Subtask 57-26-00-942-057-A
D. Removal of Equipment
   (1) Remove the safety barriers.
   (2) Remove the WARNING NOTICE(S).
   (3) Remove the access platform(s).
   (4) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.8 from Aug 2017] 2026.04.01 02:11:26 UTC
"Aviabrain" 2025