W DOC AIRBUS | AMM A320F

Special Detailed Inspection (HFEC) of Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box, LH/RH, Area B

TASK 53-31-00-210-044-A-01
Special Detailed Inspection (HFEC) of Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box, LH/RH, Area B

ZONE: 190
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Fixtures, Tools, Test and Support Equipment
REFERENCE
QTY
DESIGNATION
No specific
1
ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
No specific
1
MAGNIFYING GLASS POWER 10X
No specific
1
WARNING NOTICE(S)
 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
190
BELLY FAIR, AIR CONDITIONING & HYD COMPT
191KB, 192KB, 195BB, 196BB
 D. Referenced Information
REFERENCE
DESIGNATION
TASK 29-10-00-864-001-A
Depressurize the Green Hydraulic System
TASK 29-10-00-864-002-A
Depressurize the Yellow Hydraulic System
TASK 29-10-00-864-003-A
Depressurize the Blue Hydraulic System
TASK 29-13-42-000-001-A
Removal of the Yellow Power Accumulator
TASK 29-13-42-400-001-A
Installation of the Yellow Power Accumulator
TASK 29-14-00-614-001-A
Depressurization of the Hydraulic Reservoirs
TASK 29-14-00-614-002-A
Pressurization of the Hydraulic Reservoirs through the Ground Connector
TASK 29-14-00-614-002-A-01
Pressurization of the Hydraulic Reservoirs with the Auxiliary Power Unit (APU)
TASK 29-24-51-000-001-A
Removal of the Electric Pump
TASK 29-24-51-400-001-A
Installation of the Electric Pump
TASK 32-12-00-010-001-A
Open the Main Gear Doors for Access
TASK 32-12-00-410-001-A
Close the Main Gear Doors after Access
TASK 53-35-13-000-002-A
Removal of the Quick-Release Access Panels from the Belly Fairing Structure
TASK 53-35-13-400-002-A
Installation of the Quick-Release Access Panels on the Belly Fairing Structure
NTM 533002
F Inspection Areas of the Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box
3. Job Set-up
Subtask 53-31-00-010-115-A ** ON A/C NOT FOR ALL
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.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
   (1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (2) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
   (3) Depressurize the Green, Blue and Yellow hydraulic systems (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-003). Depressurize the Green, Blue and Yellow hydraulic reservoirs (Ref. AMM TASK 29-14-00-614-001) and (Ref. AMM TASK 29-14-00-614-002). Open and tag the circuit breakers for the hydraulic systems.
   (4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below the MLG compartment.
   (5) Remove the access panels 191KB and 192KB (Ref. AMM TASK 53-35-13-000-002).
   (6) Open the access doors 195BB and 196BB.
   (7) Remove the Yellow electric hydraulic pump (Ref. AMM TASK 29-24-51-000-001).
   (8) Remove the Yellow hydraulic power accumulator (Ref. AMM TASK 29-13-42-000-001).
Subtask 53-31-00-110-102-A ** ON A/C NOT FOR ALL
B. Cleaning Procedure
F Inspection Areas of the Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
   (1) If necessary, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) . Make sure that the area is dry before you continue. Clean the areas around the rivets and elliptical cutouts in Area 'A' and 'B' as identified in Figure 1, Sheets 1 and 2.
Subtask 53-31-00-010-115-B ** ON A/C NOT FOR ALL
C. 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.
WARNING: MAKE SURE THAT THE TRAVEL RANGES OF THE LANDING GEAR ARE CLEAR.
   (1) Open the MLG doors (Ref. AMM TASK 32-12-00-010-001).
   (2) Put the WARNING NOTICE(S) in position to tell persons not to operate the landing gear.
   (3) Depressurize the Green, Blue and Yellow hydraulic systems (Ref. AMM TASK 29-10-00-864-001), (Ref. AMM TASK 29-10-00-864-002) and (Ref. AMM TASK 29-10-00-864-003). Depressurize the Green, Blue and Yellow hydraulic reservoirs (Ref. AMM TASK 29-14-00-614-001) and (Ref. AMM TASK 29-14-00-614-002). Open and tag the circuit breakers for the hydraulic systems.
   (4) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position below the MLG compartment.
   (5) Remove the access panels 191KB and 192KB (Ref. AMM TASK 53-35-13-000-002).
   (6) Open the access doors 195BB and 196BB.
   (7) Remove the Yellow electric hydraulic pump (Ref. AMM TASK 29-24-51-000-001).
   (8) Remove the Yellow hydraulic power accumulator (Ref. AMM TASK 29-13-42-000-001).
Subtask 53-31-00-110-102-B ** ON A/C NOT FOR ALL
D. Cleaning Procedure
F Inspection Areas of the Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box ** ON A/C NOT FOR ALL
WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
   (1) If necessary, clean the inspection area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) . Make sure that the area is dry before you continue. Clean the areas around the rivets and elliptical cutouts in Area 'A' and 'B' as identified in Figure 1, Sheets 1 and 2.
4. Procedure
Subtask 53-31-00-210-099-A ** ON A/C NOT FOR ALL
A. Special Detailed Inspection Procedure
F Inspection Areas of the Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box ** ON A/C NOT FOR ALL
   (1) Do the special detailed inspection (HFEC) of Area 'B' around the rivets of the keel beam side-panel NTM 533002. Do this below the center wing box at STGR42 LH/RH between FR40 and FR42. Examine the areas around the rivets for cracks with a MAGNIFYING GLASS POWER 10X. If necessary, use more lighting sources and mirrors.
   (2) If you find cracks, contact Liaison Engineering. You must contact Airbus INDUSTRIE for repair instruction applicable to the result. Do the repair before subsequent flight.
Subtask 53-31-00-210-099-B ** ON A/C NOT FOR ALL
A. Special Detailed Inspection Procedure
F Inspection Areas of the Riveted Area of Keel Beam Side Panel at Attachment to Center Wing Box ** ON A/C NOT FOR ALL
   (1) Do the special detailed inspection (HFEC) of Area 'B' around the rivets of the keel beam side-panel NTM 533002 Do this below the center wing box at STGR42 LH/RH between FR40 and FR42. Examine the areas around the rivets for cracks with a MAGNIFYING GLASS POWER 10X. If necessary, use more lighting sources and mirrors.
   (2) If you find cracks, contact Liaison Engineering. You must contact Airbus INDUSTRIE for repair instruction applicable to the result. Do the repair before subsequent flight.
5. Close-up
Subtask 53-31-00-410-112-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) Install the Yellow electric power accumulator (Ref. AMM TASK 29-13-42-400-001).
   (3) Install the Yellow Electric hydraulic pump (Ref. AMM TASK 29-24-51-400-001).
   (4) Service the Yellow hydraulic system.
   (5) Install the access panels 191KB and 192KB (Ref. AMM TASK 53-35-13-400-002).
   (6) Close the access doors 195BB and 196BB.
   (7) Remove the access platform(s).
   (8) Reset the hydraulic system circuit breakers. Pressurize the Green, Blue and Yellow hydraulic reservoirs (Ref. AMM TASK 29-14-00-614-001) (Ref. AMM TASK 29-14-00-614-002). Pressurize the Green, Blue and Yellow hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
   (9) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (10) Remove the WARNING NOTICE(S).
   (11) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Subtask 53-31-00-410-112-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) Install the Yellow electric power accumulator (Ref. AMM TASK 29-13-42-400-001).
   (3) Install the Yellow Electric hydraulic pump (Ref. AMM TASK 29-24-51-400-001).
   (4) Service the Yellow hydraulic system.
   (5) Install the access panels 191KB and 192KB (Ref. AMM TASK 53-35-13-400-002).
   (6) Close the access doors 195BB and 196BB.
   (7) Remove the access platform(s).
   (8) Reset the hydraulic system circuit breakers. Pressurize the Green, Blue and Yellow hydraulic reservoirs (Ref. AMM TASK 29-14-00-614-001) (Ref. AMM TASK 29-14-00-614-002). Pressurize the Green, Blue and Yellow hydraulic systems (Ref. AMM TASK 29-10-00-864-001) (Ref. AMM TASK 29-10-00-864-002) (Ref. AMM TASK 29-10-00-864-003).
   (9) Close the MLG doors (Ref. AMM TASK 32-12-00-410-001).
   (10) Remove the WARNING NOTICE(S).
   (11) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
[Rev.10 from 2021] 2026.04.02 06:29:07 UTC
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