DOC AIRBUS | AMM A320FDetailed Inspection of Forward Emergency Exits, Internal Structure, LH/RH
TASK 52-22-11-200-001-A
Detailed Inspection of Forward Emergency Exits, Internal Structure, LH/RH
Refer to the MPD TASK: 522202-01
DETAILED INSPECTION OF FORWARD EMERGENCY EXITS, INTERNAL STRUCTURE, LH/RH
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Referenced Information
3. Job Set-up
Subtask 52-22-11-615-050-A ** ON A/C NOT FOR ALL
Subtask 52-22-11-410-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 01:39:09 UTC
Detailed Inspection of Forward Emergency Exits, Internal Structure, LH/RH
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
1. Reason for the JobRefer to the MPD TASK: 522202-01
DETAILED INSPECTION OF FORWARD EMERGENCY EXITS, INTERNAL STRUCTURE, LH/RH
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | SCRAPER - PLASTIC |
| No specific | 1 | SCRAPER - WOODEN |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.05RDA1) | Adhesive Film Tape-Masking - - |
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.12ABB1) | Corrosion Preventive Compound-Water Displacing Hard Film - |
| (Material No.12ABC1) | Corrosion Preventive Compound_Water Displacing Soft Film - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 833 | EMERGENCY EXITS |
| 843 | EMERGENCY EXITS |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-23-47-000-012-A | Removal of the Door Linings of the LH FWD Emergency Exit Door, zone 231 |
| TASK 25-23-47-000-013-A | Removal of the Door Linings of the RH FWD Emergency Exit Door at zone 251 or RH AFT at zone 252 or LH AFT at zone 232. |
| TASK 25-23-47-400-012-A | Installation of the Door Linings of the LH FWD Emergency Exit Door, zone 231 |
| TASK 25-23-47-400-013-A | Installation of the Door Linings of the RH FWD Emergency Exit Door at zone 251, or RH AFT at zone 252, or LH AFT at zone 232. |
| TASK 51-73-11-300-001-A | Repair of Minor Damage on Aluminum Clad Components |
| TASK 51-74-11-300-001-A | Repair of Corroded Areas |
| TASK 51-75-12-300-001-A | Repair of Major Paint Damage on Light Alloy and Composite Material |
| TASK 51-78-00-916-001-A | Application of Temporary Protection System (TPS) |
| TASK 52-22-00-010-001-A | Opening of the Emergency Exit Doors from the Passenger Compartment |
| TASK 52-22-00-410-001-A | Closing of the Emergency Exit Doors from the Passenger Compartment |
| TASK 52-22-00-860-003-A | Special Precaution before Maintenance on the Door Damper and Emergency Operation Cylinder |
| TASK 52-22-00-860-004-A | Special Precaution after Maintenance on the Door Damper and Emergency Operation Cylinder |
| SRM 522000 | |
Emergency Exit Doors (Example)WARNING:
BEFORE YOU START WORK ON THE DOOR, MAKE SURE THAT:
Subtask 52-22-11-010-052-A ** ON A/C NOT FOR ALL - THE EMERGENCY CONTROL HANDLE IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
- THE PERCUSSION LEVER OF THE DOOR-DAMPER AND EMERGENCY-OPERATION CYLINDER IS IN THE DISARMED POSITION WITH THE SAFETY PIN INSTALLED.
A. Get Access
(1) Open the applicable emergency exit door (referred to as door) (Ref. AMM TASK 52-22-00-010-001).
(2) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-003).
(3) Remove the lining (Ref. AMM TASK 25-23-47-000-012) and (Ref. AMM TASK 25-23-47-000-013) from the applicable door.
(4) Carefully disconnect the Velcro-tapes and remove the insulation mats from the door structure.
4. Procedure(1) Open the applicable emergency exit door (referred to as door) (Ref. AMM TASK 52-22-00-010-001).
(2) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-003).
(3) Remove the lining (Ref. AMM TASK 25-23-47-000-012) and (Ref. AMM TASK 25-23-47-000-013) from the applicable door.
(4) Carefully disconnect the Velcro-tapes and remove the insulation mats from the door structure.
Subtask 52-22-11-615-050-A ** ON A/C NOT FOR ALL
A. Cleaning Procedure
(1) Make sure that the area for inspection is clean. If the inspection area is not clean:
(a) Clean the area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(2) If there is a Temporary Protection System (TPS) layer applied that prevents the inspection of the area, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).
Subtask 52-22-11-220-051-A ** ON A/C NOT FOR ALL (1) Make sure that the area for inspection is clean. If the inspection area is not clean:
(a) Clean the area with Non Aqueous Cleaner-General - - (Material No.08BAA9) and a Textile-Lint free Cotton - (Material No.14SBA1) .
(2) If there is a Temporary Protection System (TPS) layer applied that prevents the inspection of the area, remove the TPS layer (Ref. AMM TASK 51-78-00-916-001).
B. Detailed Inspection of Forward Emergency Exits, Internal Structure, LH/RH
(1) Examine the subsequent components of the internal door structure for corrosion, scratches, marks and dents:
(b) Repair the scratches and marks (Ref. AMM TASK 51-73-11-300-001).
(c) Remove the corrosion (Ref. AMM TASK 51-74-11-300-001).
Subtask 52-22-11-210-050-A ** ON A/C NOT FOR ALL (1) Examine the subsequent components of the internal door structure for corrosion, scratches, marks and dents:
- the junction plates
- the inside framing (such as edge member, lower and upper members and curved members)
- the beam framing (such as horizontal beams, vertical frame segments and window frame).
NOTE: Dents are not permitted on these components.
(a) Find the limits of the permitted damage SRM 522000. (b) Repair the scratches and marks (Ref. AMM TASK 51-73-11-300-001).
(c) Remove the corrosion (Ref. AMM TASK 51-74-11-300-001).
C. General Inspection of the Door
(1) Examine the drain holes at the bottom of the door structure. Make sure that they are not blocked.
(2) Examine all rivets of the door structure.
(a) If a rivet is missing, install the new rivet with the correct sealant.
(b) If you find damaged or loose rivets, replace them.
(3) Examine the sealant of all structure components for the correct condition. If necessary, remove damaged sealant with a SCRAPER - WOODEN or SCRAPER - PLASTIC and apply new sealant.
(4) Make sure that all attachment screws and bolts of the door structure are correctly tightened.
(5) Make sure that the paint is in the correct condition (Ref. AMM TASK 51-75-12-300-001).
Subtask 52-22-11-916-051-A ** ON A/C NOT FOR ALL (1) Examine the drain holes at the bottom of the door structure. Make sure that they are not blocked.
(2) Examine all rivets of the door structure.
(a) If a rivet is missing, install the new rivet with the correct sealant.
(b) If you find damaged or loose rivets, replace them.
(3) Examine the sealant of all structure components for the correct condition. If necessary, remove damaged sealant with a SCRAPER - WOODEN or SCRAPER - PLASTIC and apply new sealant.
(4) Make sure that all attachment screws and bolts of the door structure are correctly tightened.
(5) Make sure that the paint is in the correct condition (Ref. AMM TASK 51-75-12-300-001).
D. Application of Temporary Protection System (TPS)
(1) Apply Adhesive Film Tape-Masking - - (Material No.05RDA1) on the items adjacent to the area: the seals, bellows, door mechanisms, proximity switches and fittings.
(2) If there is a TPS layer, do a check of the condition of the TPS layer (Ref. AMM TASK 51-78-00-916-001).
(4) If, before the inspection:
5. Close-up(1) Apply Adhesive Film Tape-Masking - - (Material No.05RDA1) on the items adjacent to the area: the seals, bellows, door mechanisms, proximity switches and fittings.
(2) If there is a TPS layer, do a check of the condition 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. If you think that the TPS layer is in the correct condition, you can apply a new layer (as a spray) on the layer.
(3) If the TPS layer is damaged, replace the TPS layer with a new layer of Corrosion Preventive Compound_Water Displacing Soft Film - (Material No.12ABC1) or Corrosion Preventive Compound-Water Displacing Hard Film - (Material No.12ABB1) . (4) If, before the inspection:
- there was removal of the TPS layer
Or - the inspection area was cleaned with high pressure water, steam, solvents and/or cleaning agents.
Subtask 52-22-11-410-052-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) Put the insulation mats in the door structure and attach them with the Velcro-tapes.
(3) Install the door lining (Ref. AMM TASK 25-23-47-400-012) and (Ref. AMM TASK 25-23-47-400-013) on the door.
(4) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close the door correctly (Ref. AMM TASK 52-22-00-410-001).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Put the insulation mats in the door structure and attach them with the Velcro-tapes.
(3) Install the door lining (Ref. AMM TASK 25-23-47-400-012) and (Ref. AMM TASK 25-23-47-400-013) on the door.
(4) Do the special precaution on the door damper and emergency operation cylinder (Ref. AMM TASK 52-22-00-860-004).
(5) Close the door correctly (Ref. AMM TASK 52-22-00-410-001).