W DOC AIRBUS | AMM A320F

Detailed Inspection of Horizontal Stabilizer Attachment and Back-up Structure at FR77, from Stringer 8 to Stringer 21, LH/RH


TASK 53-51-00-210-007-A
Detailed Inspection of Horizontal Stabilizer Attachment and Back-up Structure at FR77, from Stringer 8 to Stringer 21, LH/RH


WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
ZONE: 311
ZONE: 312
1. Reason for the Job
Refer to the MPD TASK: 535117-01
DETAILED INSPECTION OF HORIZONTAL STABILIZER ATTACHMENT AND BACK UP STRUCTURE AT FR 77, FROM STRINGER 8 TO STRINGER 21, 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
1
ACCESS PLATFORM 3M (10 FT)
No specific
1
ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE
No specific
1
WARNING NOTICE(S)
 B. Consumable Materials
REFERENCE
DESIGNATION
(Material No.05RDA1)
Adhesive Film Tape-Masking - -
(Material No.08BAA9)
Non Aqueous Cleaner-General - -
(Material No.14SBA1)
Textile-Lint free Cotton -
 C. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
311
AFT FUSLG TAIL SECTION
312
AFT FUSLG TAIL SECTION
312AR, 314AR
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 51-78-00-916-001-A
Application of Temporary Protection System (TPS)
TASK 52-41-23-010-801-A
Opening of Access Door 314AR
TASK 52-41-23-410-801-A
Closing of Access Door 314AR
SRM 535300
(for corrective action)
3. Job Set-up
Subtask 53-51-00-010-061-A
A. Get Access
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.
   (1) Put the ACCESS PLATFORM 3M (10 FT) in position below access door 312AR.
   (2) Put the ACCESS PLATFORM 4M (13 FT)-ADJUSTABLE in position below access door 314AR.
   (3) Put the WARNING NOTICE(S) in position to tell persons not to operate the APU.
   (4) Open access door 312AR.
   (5) Open access door 314AR (Ref. AMM TASK 52-41-23-010-801).
   (6) Carefully clean the THS attachment and back-up structure with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1)
Subtask 53-51-00-110-073-A
B. Preparation of the inspection area
   (1) Make sure that the inspection area is sufficiently clean to do a satisfactory inspection of the area.
   (2) If not, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
   (3) Remove the TPS layer, if it does not let you do a satisfactory inspection (Ref. AMM TASK 51-78-00-916-001).
4. Procedure
Subtask 53-51-00-210-060-A
A. Detailed Inspection
   (1) Do a detailed inspection of the THS attachment and back-up structure at FR77, from stringer 8 to stringer 21, LH/RH. Look for:
  • corrosion
  • cracks.
NOTE: If necessary, refer to the ASRM SRM 535300 for the correct repair procedure.
Subtask 53-51-00-916-052-A
B. Application of Temporary Protection System
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION: DO NOT APPLY TEMPORARY PROTECTION ON THE OXYGEN SYSTEMS. MAKE SURE THAT THE TEMPORARY PROTECTION DOES NOT GET:
  • ON COMPOSITE PARTS, CONTROL CABLES, PULLEYS,TEFLON BEARINGS.
  • ON LUBRICATED SURFACES.
  • IN DRAIN VALVES OR OTHER ORIFICES.
TEMPORARY PROTECTION ON OR IN THESE PARTS CAN CAUSE DAMAGE.
   (1) Apply masking paper or masking tape Adhesive Film Tape-Masking - - (Material No.05RDA1) on the equipment and fittings adjacent to the area.
   (2) If there is a TPS layer, do a check of the condition and integrity of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
NOTE: Airbus recommends that you always apply a new layer of TPS. This is to make sure that the TPS layer continues to give satisfactory corrosion protection. Make sure that the TPS layer is in the correct condition after the check. if the TPS is in the correct condition, apply a new layer as a spray on the remaining layer.
   (3) Replace the damaged TPS layer with a new layer of TPS on the inspection area, as recommended in the MPD (Ref. AMM TASK 51-78-00-916-001).
   (4) If you used solvents, high-pressure water, steam and/or cleaning agents to clean the TPS layer:
     (a) Apply a full new layer of TPS on the inspection area, as recommended in the MPD (Ref. AMM TASK 51-78-00-916-001).
     (b) If there is no TPS layer, apply a new layer of TPS on the inspection area, as recommended in the MPD (Ref. AMM TASK 51-78-00-916-001).
   (5) Remove the masking paper or the masking tape.
5. Close-up
Subtask 53-51-00-410-060-A
A. Close Access
   (1) Make sure that all the electrical connections are clean and in the correct condition.
   (2) Make sure that the work area is clean and clear of tools and other items.
   (3) Close access door 314AR (Ref. AMM TASK 52-41-23-410-801).
   (4) Close access door 312AR.
   (5) Remove the WARNING NOTICE(S).
   (6) Remove the access platform(s).
   (7) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:29:27 UTC