W DOC AIRBUS | AMM A320F

General Visual Inspection of Wing Leading Edge and Trailing Edge Electrical Wiring and Connections

TASK 28-18-41-210-001-A
General Visual Inspection of Wing Leading Edge and Trailing Edge Electrical Wiring and Connections

WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE FLIGHT CONTROLS SURFACES ARE CLEAR. MOVEMENT OF FLIGHT CONTROLS CAN CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
WARNING: MAKE SURE THAT THE SAFETY DEVICES AND THE WARNING NOTICES ARE IN POSITION BEFORE YOU START A TASK ON OR NEAR:
  • THE FLIGHT CONTROLS
  • THE FLIGHT CONTROL SURFACES
  • THE LANDING GEAR AND RELATED DOORS
  • COMPONENTS THAT MOVE.
MOVEMENT OF COMPONENTS CAN KILL OR CAUSE INJURY TO PERSONS AND/OR DAMAGE TO EQUIPMENT.
ZONE: 520
ZONE: 570
ZONE: 620
ZONE: 670
1. Reason for the Job
Refer to the MPD TASK: 281800-07
GENERAL VISUAL INSPECTION OF WING LEADING EDGE AND TRAILING EDGE ELECTRICAL WIRING AND CONNECTIONS (SFAR88)
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
AR
ACCESS PLATFORM 4M (13 FT)
No specific
AR
FLASHLIGHT
No specific
AR
MIRROR - INSPECTION, FLEXIBLE
No specific
AR
SAFETY BARRIER(S)
No specific
1
WARNING NOTICE(S)
98D27803000000
1
LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
520
LEFT WING FIXED LEADING EDGE
570
AFT SECTION OF L WING & TE FIXED STRUCT
620
RIGHT WING FIXED LEADING EDGE
670
AFT SECTION OF R WING & TE FIXED STRUCT
521AB, 521BB, 521BT, 521CB, 521EB, 521GB, 521HB, 522AB, 522AT, 522CB, 522EB, 522FB, 522HB, 522JB, 522KB, 522LB, 522NB, 522QB, 522SB, 522UB, 573AB, 573BB, 573CB, 573DB, 573EB, 573FB, 574AB, 574BB, 575AB, 575AT, 575BB, 575CB, 575DB, 575EB, 575FB, 575GB, 575HB, 575KB, 575LB, 575MB, 621AB, 621BB, 621BT, 621CB, 621EB, 621GB, 621HB, 622AB, 622AT, 622CB, 622EB, 622FB, 622HB, 622JB, 622KB, 622LB, 622NB, 622QB, 622SB, 622UB, 673AB, 673BB, 673CB, 673DB, 673EB, 673FB, 674AB, 674BB, 675AB, 675AT, 675BB, 675CB, 675DB, 675EB, 675FB, 675GB, 675HB, 675KB, 675LB, 675MB
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 27-50-00-866-008-A-01
Extension of the Flaps/Slats on the Ground
TASK 27-50-00-866-009-A-01
Retraction of the Flaps/Slats on the Ground
TASK 28-00-00-910-001-A
Fuel Safety Procedures
TASK 57-41-37-000-003-A
Removal of the Access Panel
TASK 57-41-37-000-004-A
Removal of the Pressure Relief Panels
TASK 57-41-37-000-005-A
Removal of the NACA Duct Panel
TASK 57-41-37-000-006-A
Removal of the Access Panels
TASK 57-41-37-000-009-A
Removal of the Access Panel
TASK 57-41-37-000-010-A
Removal of the Access Panel
TASK 57-41-37-000-011-A
Removal of the Access Panel
TASK 57-41-37-400-002-A
Installation of the Pressure Relief Panels
TASK 57-41-37-400-003-A
Installation of the Access Panel
TASK 57-41-37-400-005-A
Installation of the NACA Duct Panel
TASK 57-41-37-400-006-A
Installation of the Access Panels
TASK 57-41-37-400-009-A
Installation of the Access Panel
TASK 57-41-37-400-010-A
Installation of the Access Panel
TASK 57-41-37-400-011-A
Installation of the Access Panel
TASK 57-51-37-000-002-A
Removal of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-000-003-A
Removal of the Access Panel
TASK 57-51-37-000-004-A
Removal of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
TASK 57-51-37-000-005-A
Removal of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
TASK 57-51-37-000-007-A
Removal of the Access Panel
TASK 57-51-37-000-008-A
Removal of the Access Door
TASK 57-51-37-000-009-A
Removal of the Access Door
TASK 57-51-37-400-002-A
Installation of the Access Panels 571AB(671AB), 573AB(673AB), 573BB(673BB), 573CB(673CB), 573EB(673EB)
TASK 57-51-37-400-003-A
Installation of the Access Panel
TASK 57-51-37-400-004-A
Installation of the Access Panels 575AB(675AB), 575BB(675BB), 575CB(675CB), 575DB(675DB), 575EB(675EB), 575FB(675FB), 575GB(675GB), 575HB(675HB)
TASK 57-51-37-400-005-A
Installation of the Access Panels 575KB(675KB), 575LB(675LB), 575MB(675MB)
TASK 57-51-37-400-007-A
Installation of the Access Panel
TASK 57-51-37-400-008-A
Installation of the Access Door
TASK 57-51-37-400-009-A
Installation of the Access Door
F Access Panels - Lower Leading Edge
F Access Panels - Upper Leading Edge
F Access Panels - Trailing Edge ** ON A/C NOT FOR ALL
F Access Panels - Trailing Edge ** ON A/C NOT FOR ALL
3. Job Set-up
Subtask 28-18-41-941-051-A
A. Safety Precautions
WARNING: OBEY THE FUEL SAFETY PROCEDURES.
   (1) You must obey the fuel safety procedures when you do work near the fuel system (Ref. AMM TASK 28-00-00-910-001).
   (2) Put a WARNING NOTICE(S) in the cockpit to tell persons not to operate the slats and flaps.
   (3) As necessary, use the applicable SAFETY BARRIERS, specified by the operator's instructions and your local regulations.
Subtask 28-18-41-860-050-A
B. Aircraft Maintenance Configuration
   (1) Fully extend the flaps and slats (Ref. AMM TASK 27-50-00-866-008).
   (2) Make sure the 98D27803000000 LOCKING TOOL-FLAP SLAT LEVER,INT. POSITION is installed in the flap/slat control lever.
Subtask 28-18-41-010-051-B
C. Get Access
   (1) Put the ACCESS PLATFORM 4M (13 FT) below the area to be examined in zone 500(600).
   (2) Remove the applicable leading edge panels:

F Access Panels - Lower Leading Edge
F Access Panels - Upper Leading Edge
     (a) For the LH wing remove:
     (b) For the RH wing remove:
   (3) Remove the applicable trailing edge panels:

F Access Panels - Trailing Edge ** ON A/C NOT FOR ALL
F Access Panels - Trailing Edge ** ON A/C NOT FOR ALL
     (a) For the LH wing remove:
     (b) For the RH wing remove:
4. Procedure
Subtask 28-18-41-210-050-A
A. General Visual Inspection of Wing Leading Edge and Trailing Edge Electrical Wiring and Connections
WARNING: MAKE SURE THAT THE INSTALLATION AND ROUTING OF ALL ELECTRICAL CABLES AGREE WITH THE REQUIREMENTS OF THE ELECTRICAL STANDARD PRACTICES MANUAL.
   (1) Do a visual check of the leading and trailing edge wiring as follows:
     (a) Use a MIRROR - INSPECTION, FLEXIBLE and a FLASHLIGHT and examine all of the wiring. Make sure that:
  • there is no sign of wear or damage to the wiring harness or harness connections
  • there is no sign of corrosion on the wiring connections
  • the harness insulation is in good condition
  • the harness clamps and brackets are all correctly installed.
NOTE: If wear or damage is found, the wiring must be repaired. Refer to the Electrical Standard Practices Manual for repair data.
5. Close-up
Subtask 28-18-41-410-050-B
A. Close Access
   (1) Install the applicable leading edge panels:

F Access Panels - Lower Leading Edge
F Access Panels - Upper Leading Edge
     (a) For the LH wing install:
     (b) For the RH wing install:
   (2) Install the applicable trailing edge panels:

F Access Panels - Trailing Edge ** ON A/C NOT FOR ALL
F Access Panels - Trailing Edge ** ON A/C NOT FOR ALL
     (a) For the LH wing install:
     (b) For the RH wing install:
Subtask 28-18-41-860-051-A
B. 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 and slats (Ref. AMM TASK 27-50-00-866-009).
Subtask 28-18-41-942-050-A
C. Removal of Equipment
   (1) Make sure that the work area is clean and clear of tools and other items.
   (2) Remove the SAFETY BARRIERS.
   (3) Remove the access platform(s).
   (4) Remove the WARNING NOTICE(S).
   (5) Remove all the fixtures, tools, test and support equipment used during this procedure.
[Rev.10 from 2021] 2026.04.02 06:17:19 UTC
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