W DOC AIRBUS | AMM A320F

Inspection after an Impact on the Nacelle or the Engine Equipment

TASK 05-51-27-200-001-A
Inspection after an Impact on the Nacelle or the Engine Equipment

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
AR
WARNING NOTICE(S)
 B. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
415AL, 415AR, 415BL, 415BR, 425AL, 425AR, 425BL, 425BR
471AL, 471AR, 471CL, 471CR
 C. Referenced Information
REFERENCE
DESIGNATION
TASK 54-51-17-000-001-A
Removal of the Pylon-to-Wing Forward Attach-Fitting at RIB4
TASK 54-51-17-000-002-A
Removal of the Pylon-to-Wing Aft Attach-Fitting at RIB10
TASK 54-51-17-000-804-A
Removal of the Pylon-to-Wing Forward Attach-Fitting at RIB5
TASK 54-51-17-000-805-A
Removal of the Pylon-to-Wing Aft Attach-Fitting at RIB10
TASK 54-51-17-200-001-A
Inspection of the Pylon-to-Wing Forward Attach-Fitting
TASK 54-51-17-200-002-A
Inspection of the Pylon-to-Wing Aft Attach-Fitting
TASK 54-51-21-000-001-A
Removal of the Pylon Lateral Access-Doors
TASK 54-51-21-400-001-A
Installation of the Pylon Lateral Access-Doors
TASK 54-53-11-000-002-A
Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-002-B
Removal of the Pylon-to-Wing Access Panels
TASK 54-53-11-000-804-A
Removal of the Pylon-to-Wing Access Panels and Doors
TASK 54-53-11-400-002-A
Installation of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-002-B
Installation of the Pylon-to-Wing Access Panels
TASK 54-53-11-400-804-A
Installation of the Pylon-to-Wing Access Panels and Doors
TASK 71-00-00-000-040-A
Removal of the Power Plant
TASK 71-00-00-000-040-A-01
Removal of the Power Plant with the Engine Positioner TWW 75E
TASK 71-00-00-000-040-A-03
Removal of the Power Plant with Jacxson Tool
TASK 71-00-00-000-042-A
Removal of the Power Plant
TASK 71-00-00-000-042-A-01
Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-00-000-042-A-03
Removal of the Power Plant with Jacxson Tool
TASK 71-00-20-000-040-A
Removal of the Power Plant
TASK 71-00-20-000-040-A-01
Removal of the Power Plant with the Engine Positioner TWW 75E (MIAG)
TASK 71-00-51-000-802-A
Removal of the Power Plant (Bootstrap Method)
TASK 71-00-51-000-802-A-01
Removal of the Power Plant (JacXson Method)
TASK 71-11-00-210-001-A
Visual Inspection of the Air Intake Cowl
TASK 71-11-00-210-040-A
Visual Inspection of the Air Intake Cowl
TASK 71-11-11-200-010-B
Interface Inspection of the Air Intake Cowl
TASK 71-13-00-010-010-A
Opening of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-010-040-A
Opening of the Fan Cowl Doors
TASK 71-13-00-010-040-B
Opening of the Fan Cowl Doors
TASK 71-13-00-010-802-A
Opening of the Fan Cowl Doors
TASK 71-13-00-200-010-A
Detailed Inspection of the Fan Cowl Doors
TASK 71-13-00-200-802-A
General Visual Inspection of the Fan Cowl Doors
TASK 71-13-00-410-010-A
Closing of the Fan Cowls 437AL(447AL),438AR(448AR)
TASK 71-13-00-410-040-A
Closing of the Fan Cowl Doors
TASK 71-13-00-410-040-B
Closing of the Fan Cowl Doors
TASK 71-13-00-410-802-A
Closing of the Fan Cowl Doors
TASK 71-13-11-200-804-A
Visual Inspection of the Fan Cowl Doors
TASK 71-13-11-200-804-C
Visual Inspection of Fan Cowl Doors
TASK 71-21-11-210-040-A
Detailed Inspection of Forward Engine Mount Installation
TASK 71-21-11-210-040-B
Detailed Inspection of the Forward Engine Mount
TASK 71-21-12-200-010-A
Detailed Inspection of FWD Engine Mount Installation
TASK 71-21-41-210-802-A
Detailed Visual Inspection of the Forward Engine Mount Assembly
TASK 71-22-11-200-010-A
Detailed Inspection of Aft Engine Mount Installation
TASK 71-22-11-210-042-A
Detailed Inspection of Aft Engine Mount Installation
TASK 71-22-11-210-042-B
Detailed Inspection of Aft Engine Mount Installation
TASK 71-22-41-210-802-A
Detailed Visual Inspection of the Aft Engine Mount Assembly
TASK 71-61-10-210-801-A
General Visual Inspection of the Inlet Cowl
TASK 78-32-00-010-010-A
Opening of the Thrust Reverser Halves
TASK 78-32-00-200-010-A
Detailed Check of the Thrust Reverser Blocker Door Assemblies
TASK 78-32-00-200-013-A
General Visual Inspection of Inner Barrel Heatshield and Fire Seals
TASK 78-32-00-210-803-A
General Visual Inspection of the Thrust Reverser
TASK 78-32-00-410-010-A
Closing of the Thrust Reverser Halves
TASK 78-32-11-210-001-A
Detailed Visual Inspection of the Thrust Reverser
TASK 78-32-11-210-040-A
Detailed Visual Inspection of the Thrust Reverser
TASK 78-36-00-010-040-A
Opening of the Thrust Reverser Doors
TASK 78-36-00-010-040-B
Opening of the Thrust Reverser Doors
TASK 78-36-00-010-802-A
Opening of the Thrust Reverser Cowl-Doors
TASK 78-36-00-410-040-A
Closing of the Thrust Reverser Doors
TASK 78-36-00-410-040-B
Closing of the Thrust Reverser Doors
TASK 78-36-00-410-802-A
Closing of the Thrust Reverser Cowl-Doors
3. Job Set-up
Subtask 05-51-27-941-050-A
A. Safety Precautions
   (1) Put the WARNING NOTICE(S) in the cockpit to tell persons not to operate the systems related to the engines.
Subtask 05-51-27-010-050-A ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-040).
   (2) Open the thrust reverser doors (Ref. AMM TASK 78-36-00-010-040).
   (3) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE near the damaged engine.
Subtask 05-51-27-010-050-B ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-010).
   (2) Open the thrust reverser doors (Ref. AMM TASK 78-32-00-010-010).
   (3) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE near the damaged area.
Subtask 05-51-27-010-050-D ** ON A/C NOT FOR ALL
B. Get Access
   (1) Open the fan cowl doors (Ref. AMM TASK 71-13-00-010-802).
   (2) Open the thrust reverser doors (Ref. AMM TASK 78-36-00-010-802).
   (3) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE near the damaged area.
4. Procedure
Subtask 05-51-27-210-050-A ** ON A/C NOT FOR ALL
A. Inspection of the Engine
NOTE: All the necessary inspections are visual unless the text gives the other instructions. Operators can refer to the Nondestructive Testing Manual (NTM) to use the non-destructive procedures.
ITEM
INSP CODE
INSPECTION TASKS
PHASE 1
PHASE 2
PHASE 3
INSP SIGN
REF. FIG.
1.

Inspection of the nacelles:




A.
Examine the air intake cowl for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-11-00-210-040).
X





Examine the fan cowl doors for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-13-11-200-804).
X





If you find damage on the fan cowl doors, examine the fan cowl hinge-fittings for signs of:
  • Damage
  • Missing/pulled or torn fasteners
  • Cracks
  • Distortion or
  • Damaged paintwork.
X




Examine the thrust reverser (Ref. AMM TASK 78-32-11-210-040).
X





If you find damage on the thrust reverser, examine the thrust reverser hinge-fittings for signs of damage, missing/pulled or torn fasteners, cracks, distortion or damaged paintwork.
  • If you find damage on the thrust reverser hinge-fittings, examine the pylon side panels for:
    - Damage
    - Cracks
    - Missing/pulled or torn fasteners
    - Damaged paintwork or
    - Other damage.
X


2.
Inspection of the pylons:




A.
Do an external inspection of the pylon secondary structure (ATA 54-52, 54-53, 54-54, 54-55 and 54-56) and the pylon-box primary structure (lateral panel).
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) Remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) Remove these access doors from the primary structure:
(Ref. AMM TASK 54-51-21-000-001).
X




(3) Do an internal inspection of the secondary structure and the pylon-box primary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, failures, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic pipes.
X


B.
Open the fan cowl doors and the thrust-reverser cowl doors (Ref. AMM TASK 71-13-00-010-040) and (Ref. AMM TASK 78-36-00-010-040).
X





Do an external inspection of the lower spar, pylon lower area (all the items that you can see) and cantilever structure, fan cowl fittings and thrust reverser fittings.
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) If installed, remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) If installed, remove these access doors from the primary structure:
(Ref. AMM TASK 54-51-21-000-001).
X




(3) Do an internal inspection of the secondary structure and the pylon-box primary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, failures, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic and fuel pipes.
X


C.
Remove the center fillets at the pylon-to-wing junction (Ref. AMM TASK 54-53-11-000-002).
X





Do a detailed visual inspection of:
  • The front and rear pylon-to-wing attachment at RIB4 and RIB10,
  • The spigot between RIB4 and RIB5.
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-00-000-040).
X




(2) Do an inspection of the attached fittings at the head of RIB1 pyramid and at the rear engine attachment.
Make sure that there are no signs of distortion, buckles, cracks or other damage to the structure.
X




(3) Remove the pylon-to-wing attach fittings (Ref. AMM TASK 54-51-17-000-001) and (Ref. AMM TASK 54-51-17-000-002).
X




(4) Do a detailed visual inspection of:
X




(5) Contact Airbus.
X


3.
Inspection of the engine mounts:




A.
Do a visual inspection of the engine mounts (engine to pylon attachments):
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-00-000-040).
X




(2) Do a detailed inspection of the forward and aft engine mounts for cracks or distortion (dimensional and Non-Destructive Test (NDT) inspection).
X




(3) Contact Airbus.
X




Install the access panels and the access doors that you removed when you started phase 2 inspections of this subtask:




Subtask 05-51-27-210-050-B ** ON A/C NOT FOR ALL
A. Inspection of the Engine
NOTE: All the necessary inspections are visual unless the text gives the other instructions. Operators can refer to the Nondestructive Testing Manual (NTM) to use the non-destructive procedures.
ITEM
INSP CODE
INSPECTION TASKS
PHASE 1
PHASE 2
PHASE 3
INSP SIGN
REF. FIG.
1.

Inspection of the nacelles:




A.
Examine the air intake cowl for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-11-11-200-010).
X





Examine the fan cowl doors for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-13-00-200-010).
X





If you find damage on the fan cowl doors, examine the fan cowl hinge-fittings for signs of:
  • Damage
  • Missing/pulled or torn fasteners
  • Cracks
  • Distortion or
  • Damaged paintwork.
X




Examine the thrust reverser (Ref. AMM TASK 78-32-00-200-010) and (Ref. AMM TASK 78-32-00-200-013).
X





If you find damage on the thrust reverser, examine the thrust reverser hinge-fittings for signs of damage, missing/pulled or torn fasteners, cracks, distortion or damaged paintwork.
  • If you find damage on the thrust reverser hinge-fittings, examine the pylon side panels for:
    - Damage
    - Cracks
    - Missing/pulled or torn fasteners
    - Damaged paintwork or
    - Other damage.
X


2.
Inspection of the pylons:




A.
Do an external inspection of the pylon secondary structure (ATA 54-52, 54-53, 54-54, 54-55 and 54-56) and the pylon-box primary structure (lateral panel).
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) Remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) Remove these access doors from the primary structure:
(Ref. AMM TASK 54-51-21-000-001).
X




(3) Do an internal inspection of the secondary structure and the pylon-box primary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, failures, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic pipes.
X


B.
Open the fan cowl doors and the thrust-reverser cowl doors (Ref. AMM TASK 71-13-00-010-010) and (Ref. AMM TASK 78-32-00-010-010).
X





Do an external inspection of the lower spar, pylon lower area (all the items that you can see) and cantilever structure, fan cowl fittings and thrust reverser fittings.
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) If installed, remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) If installed, remove these access doors from the primary structure:
(Ref. AMM TASK 54-51-21-000-001).
X




(3) Do an internal inspection of the secondary structure and the pylon-box primary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, failures, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic and fuel pipes.
X


C.
Remove the center fillets at the pylon-to-wing junction (Ref. AMM TASK 54-53-11-000-002).
X





Do a detailed visual inspection of:
  • The front and rear pylon-to-wing attachment at RIB4 and RIB10,
  • The spigot between RIB4 and RIB5.
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-20-000-040).
X




(2) Do an inspection of the attached fittings at the head of RIB1 pyramid and at the rear engine attachment.
Make sure that there are no signs of distortion, buckles, cracks or other damage to the structure.
X




(3) Remove the pylon-to-wing attach fittings (Ref. AMM TASK 54-51-17-000-001) and (Ref. AMM TASK 54-51-17-000-002).
X




(4) Do a detailed visual inspection of:
X




(5) Contact Airbus.
X


3.
Inspection of the engine mounts:




A.
Do a visual inspection of the engine mounts (engine to pylon attachments):
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-20-000-040).
X




(2) Do a detailed inspection of the forward and aft engine mounts for cracks or distortion (dimensional and Non-Destructive Test (NDT) inspection).
X




(3) Contact Airbus.
X




Install the access panels and the access doors that you removed when you started phase 2 inspections of this subtask:




Subtask 05-51-27-210-050-C ** ON A/C NOT FOR ALL
A. Inspection of the Engine
NOTE: All the necessary inspections are visual unless the text gives the other instructions. Operators can refer to the Nondestructive Testing Manual (NTM) to use the non-destructive procedures.
ITEM
INSP CODE
INSPECTION TASKS
PHASE 1
PHASE 2
PHASE 3
INSP SIGN
REF. FIG.
1.

Inspection of the nacelles:




A.
Examine the air intake cowl for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-11-00-210-001).
X





Examine the fan cowl doors for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-13-11-200-804).
X





If you find damage on the fan cowl doors, examine the fan cowl hinge-fittings for signs of:
  • Damage
  • Missing/pulled or torn fasteners
  • Cracks
  • Distortion or
  • Damaged paintwork.
X




Examine the thrust reverser (Ref. AMM TASK 78-32-11-210-001).
X





If you find damage on the thrust reverser, examine the thrust reverser hinge-fittings for signs of damage, missing/pulled or torn fasteners, cracks, distortion or damaged paintwork.
  • If you find damage on the thrust reverser hinge-fittings, examine the pylon side panels for:
    - Damage
    - Cracks
    - Missing/pulled or torn fasteners
    - Damaged paintwork or
    - Other damage.
X


2.
Inspection of the pylons:




A.
Do an external inspection of the pylon secondary structure (ATA 54-52, 54-53, 54-54, 54-55 and 54-56) and the pylon-box primary structure (lateral panel).
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) Remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) Remove these access doors from the primary structure:
(Ref. AMM TASK 54-51-21-000-001).
X




(3) Do an internal inspection of the secondary structure and the pylon-box primary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, failures, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic pipes.
X


B.
Open the fan cowl doors and the thrust-reverser cowl doors (Ref. AMM TASK 71-13-00-010-040) and (Ref. AMM TASK 78-36-00-010-040).
X





Do an external inspection of the lower spar, pylon lower area (all the items that you can see) and cantilever structure, fan cowl fittings and thrust reverser fittings.
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) If installed, remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) If installed, remove these access doors from the primary structure:
(Ref. AMM TASK 54-51-21-000-001).
X




(3) Do an internal inspection of the secondary structure and the pylon-box primary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, failures, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic and fuel pipes.
X


C.
Remove the center fillets at the pylon-to-wing junction (Ref. AMM TASK 54-53-11-000-002).
X





Do a detailed visual inspection of:
  • The front and rear pylon-to-wing attachment at RIB4 and RIB10,
  • The spigot between RIB4 and RIB5.
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-00-000-042).
X




(2) Do an inspection of the attached fittings at the head of RIB1 pyramid and at the rear engine attachment.
Make sure that there are no signs of distortion, buckles, cracks or other damage to the structure.
X




(3) Remove the pylon-to-wing attach fittings (Ref. AMM TASK 54-51-17-000-001) and (Ref. AMM TASK 54-51-17-000-002).
X




(4) Do a detailed visual inspection of:
X




(5) Contact Airbus.
X


3.
Inspection of the engine mounts:




A.
Do a visual inspection of the engine mounts (engine to pylon attachments):
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-00-000-042).
X




(2) Do a detailed inspection of the forward and aft engine mounts for cracks or distortion (dimensional and Non-Destructive Test (NDT) inspection).
X




(3) Contact Airbus.
X




Install the access panels and the access doors that you removed when you started phase 2 inspections of this subtask:




Subtask 05-51-27-210-050-E ** ON A/C NOT FOR ALL
A. Inspection of the Engine
NOTE: All the necessary inspections are visual unless the text gives the other instructions. Operators can refer to the Nondestructive Testing Manual (NTM) to use the non-destructive procedures.
ITEM
INSP CODE
INSPECTION TASKS
PHASE 1
PHASE 2
PHASE 3
INSP SIGN
REF. FIG.
1.

Inspection of the nacelles:




A.
Examine the air intake cowl for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-61-10-210-801).
X





Examine the fan cowl doors for signs of damage, cracks, distortion and damaged paintwork (Ref. AMM TASK 71-13-00-200-802).
X





If you find damage on the fan cowl doors, examine the fan cowl hinge-fittings for signs of:
  • Damage
  • Missing/pulled or torn fasteners
  • Cracks
  • Distortion or
  • Damaged paintwork.
X




Examine the thrust reverser (Ref. AMM TASK 78-32-00-210-803).
X





If you find damage on the thrust reverser, examine the thrust reverser hinge-fittings for signs of damage, missing/pulled or torn fasteners, cracks, distortion or damaged paintwork.
  • If you find damage on the thrust reverser hinge-fittings, examine the pylon side panels for:
    - Damage
    - Cracks
    - Missing/pulled or torn fasteners
    - Damaged paintwork or
    - Other damage.
X


2.
Inspection of the pylons:




A.
Do an external inspection of the pylon primary and secondary structure.
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) Remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) Remove the access doors from the primary structure.
X




(3) Do an internal inspection of the primary and secondary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, leaks, missing fasteners or other damage which include:
  • The lower and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic pipes.
X


B.
Open the fan cowl doors and the thrust-reverser cowl doors (Ref. AMM TASK 71-13-00-010-802) and (Ref. AMM TASK 78-36-00-010-802).
X





Do an external inspection of the lower area of the primary structure and forward secondary structure (all the items that you can see), fan cowl fittings and thrust reverser fittings.
Make sure that:
  • There are no buckles, signs of shear, distortion or cracks,
  • The paint is in the correct condition,
  • There are no pulled or missing fasteners/rivets.
X





If you find damage:






(1) If installed, remove the access panels and the access doors of the damaged area from the secondary structure to examine the damage internally.
X




(2) If installed, remove the access doors from the primary structure.
X




(3) Do an internal inspection of the primary and secondary structure (all the items that you can see) for distortion, buckles, cracks, defective attachment, leaks, missing fasteners or other damage which include:
  • The lower (specially splicing area between RIB2 and RIB3) and the upper spars,
  • The ribs,
  • The side panels,
  • The fire protection system (specially fire-extinguishing bottle attachments),
  • The pipes and ducts,
  • The drain pipes,
  • The hydraulic pipes.
X


C.
Remove the center fillets at the pylon-to-wing junction access panels 471AL, 471AR, 471CL and 471CR (Ref. AMM TASK 54-53-11-000-804).
X





Do a detailed visual inspection of:
  • The front and rear pylon-to-wing attachment at RIB5 and RIB10,
  • The spigot between RIB5 and RIB6.
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the pylon-to-wing attach fittings (Ref. AMM TASK 54-51-17-000-804) and (Ref. AMM TASK 54-51-17-000-805).
X




(2) Do a detailed visual inspection of:
  • The forward attachment fitting at RIB5,
  • The spigot between RIB5 and RIB6,
  • The rear attachment fitting at RIB10.
X




(3) Contact Airbus.
X


3.
Inspection of the engine mounts:




A.
Do a visual inspection of the engine mounts (engine to pylon attachments):
Make sure that there are no signs of distortion, buckles, cracks or other damage.
X





If you find damage:






(1) Remove the engine (Ref. AMM TASK 71-00-51-000-802).
X




(2) Do a detailed inspection of the forward and aft engine mounts for cracks or distortion (dimensional and Non-Destructive Test (NDT) inspection).
X




(3) Contact Airbus.
X




Install the access panels and the access doors that you removed when you started phase 2 inspections of this subtask:
  • Install the center fillets at the pylon-to-wing junction (Ref. AMM TASK 54-53-11-400-804).
  • Install the access doors on the primary structure.
  • Install the access panels and the access doors on the secondary structure.




5. Close-up
Subtask 05-51-27-410-050-A ** ON A/C NOT FOR ALL
A. Close Access
   (1) Close the thrust reverser doors (Ref. AMM TASK 78-36-00-410-040).
   (2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-040).
Subtask 05-51-27-410-050-B ** ON A/C NOT FOR ALL
A. Close Access
   (1) Close the thrust reverser doors (Ref. AMM TASK 78-32-00-410-010).
   (2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-010).
Subtask 05-51-27-410-050-D ** ON A/C NOT FOR ALL
A. Close Access
   (1) Close the thrust reverser doors (Ref. AMM TASK 78-36-00-410-802).
   (2) Close the fan cowl doors (Ref. AMM TASK 71-13-00-410-802).
Subtask 05-51-27-942-050-A
B. Put the aircraft back to its initial configuration.
   (1) Remove the WARNING NOTICE(S).
   (2) Remove the access platform(s).
[Rev.10 from 2021] 2026.03.31 22:51:47 UTC
"Aviabrain" 2025