DOC AIRBUS | AMM A320FDetailed Inspection of Cabin Window Panes, including Window Panes in Doors
TASK 56-21-13-200-001-A
Detailed Inspection of Cabin Window Panes, including Window Panes in Doors
Refer to the MPD TASK: 562101-01
DETAILED INSPECTION OF CABIN WINDOW PANES, INCLUDING WINDOW PANES IN DOORS
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 56-21-13-941-051-A ** ON A/C NOT FOR ALL
Subtask 56-21-13-210-051-A
Subtask 56-21-13-410-056-A Subtask 56-21-13-942-052-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 04:01:06 UTC
Detailed Inspection of Cabin Window Panes, including Window Panes in Doors
WARNING:
BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.
CAUTION:
DO NOT APPLY TEMPORARY PROTECTION SYSTEM (TPS) ON THE INSPECTION AREA. IF YOU APPLY TPS ON THE INSPECTION AREA, YOU CAN CAUSE DAMAGE TO THE AIRCRAFT.
1. Reason for the JobRefer to the MPD TASK: 562101-01
DETAILED INSPECTION OF CABIN WINDOW PANES, INCLUDING WINDOW PANES IN DOORS
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | 1 | ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE |
| No specific | 1 | FLASHLIGHT |
| No specific | 1 | MICROMETER - OPTICAL |
| No specific | 1 | PAPER - GRAPH, TRANSPARENT |
| 98L12003001000 | AR | HARNESS,SAFETY |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.08BAA9) | Non Aqueous Cleaner-General - - |
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 221 | FWD CAB UTILITY AREA |
| 222 | FWD CAB UTILITY AREA |
| 231 | FWD PASSENGER COMPARTMENT |
| 232 | FWD PASSENGER COMPARTMENT |
| 241 | CENTER PASSENGER COMPARTMENT |
| 242 | CENTER PASSENGER COMPARTMENT |
| 251 | AFT PASSENGER COMPARTMENT |
| 252 | AFT PASSENGER COMPARTMENT |
| 261 | AFT CABIN UTILITY AREA |
| 262 | AFT CABIN UTILITY AREA |
| 831, 832, 841, 842 | |
| 833, 834, 843, 844 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 12-21-12-100-004-A | Cleaning of the Cabin Surfaces and Mirrors |
| TASK 25-23-43-000-001-A | Removal of the Upper Sidewall Panel |
| TASK 25-23-43-400-001-A | Installation of the Upper Sidewall Panel |
| TASK 51-78-00-916-001-A | Application of Temporary Protection System (TPS) |
| TASK 52-10-00-010-001-A | Opening of the Passenger/Crew Door |
| TASK 52-10-00-410-001-A | Closing of the Passenger/Crew Door |
| TASK 52-10-00-860-001-A | Special Precautions before Work on the Passenger/Crew Door |
| TASK 52-10-00-860-002-A | Special Precautions after Work on the Passenger/Crew Door |
| 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 |
| TASK 56-10-00-200-004-A | Measurement of the Scratch Depth with Mitutoyo Surface Tester SJ201 |
| TASK 56-10-00-200-004-A-01 | Measurement of the Scratch Depth with Mitutoyo Surface Tester SJ210 |
| TASK 56-21-13-100-002-A | Cleaning the Outer Surface of the Outer Window Panes |
Cabin Window (outer pane) Inspection/CheckSubtask 56-21-13-941-051-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in front of:
(3) Open applicable passenger/crew door 831, 841, 832 or 842 (Ref. AMM TASK 52-10-00-010-001).
(4) Do the special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001).
(5) Clean the outer surface of the outer window panes of the cabin windows and the passenger/crew door windows (Ref. AMM TASK 56-21-13-100-002).
(6) Clean the inboard surface of the cabin window panes and the passenger/crew door windows (Ref. AMM TASK 12-21-12-100-004).
Subtask 56-21-13-941-051-B ** ON A/C NOT FOR ALL (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in front of:
WARNING:
BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
(2) Put on and attach the HARNESS, SAFETY before you start work in the work area.(3) Open applicable passenger/crew door 831, 841, 832 or 842 (Ref. AMM TASK 52-10-00-010-001).
(4) Do the special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001).
(5) Clean the outer surface of the outer window panes of the cabin windows and the passenger/crew door windows (Ref. AMM TASK 56-21-13-100-002).
(6) Clean the inboard surface of the cabin window panes and the passenger/crew door windows (Ref. AMM TASK 12-21-12-100-004).
A. Aircraft Maintenance Configuration
(1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in front of:
(3) Open applicable passenger/crew door 831, 841, 832 or 842 (Ref. AMM TASK 52-10-00-010-001).
(4) Open applicable emergency exit door 833, 834, 843 or 844 (Ref. AMM TASK 52-22-00-010-001).
(5) Do the special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001) and on the emergency exit door (Ref. AMM TASK 52-22-00-860-003).
(6) Clean the outer surface of the outer window panes of the:
Subtask 56-21-13-010-056-A Subtask 56-21-13-110-053-A (1) Put the ACCESS PLATFORM 3M (10 FT)- ADJUSTABLE in position in front of:
- The applicable passenger/crew door at zone 831, 841, 832 or 842
- The applicable emergency exit door at zone 831, 841, 832 or 842.
WARNING:
BEFORE YOU START WORK, YOU MUST PUT ON A SAFETY HARNESS AND ATTACH IT TO THE ACCESS PLATFORM. WITHOUT A SAFETY HARNESS, YOU CAN FALL. THIS CAN KILL YOU OR CAUSE YOU INJURY.
(2) Put on and attach the HARNESS, SAFETY before you start work in the work area.(3) Open applicable passenger/crew door 831, 841, 832 or 842 (Ref. AMM TASK 52-10-00-010-001).
(4) Open applicable emergency exit door 833, 834, 843 or 844 (Ref. AMM TASK 52-22-00-010-001).
(5) Do the special precautions before you start work on the passenger/crew door (Ref. AMM TASK 52-10-00-860-001) and on the emergency exit door (Ref. AMM TASK 52-22-00-860-003).
(6) Clean the outer surface of the outer window panes of the:
- Cabin windows, the passenger/crew door windows and the emergency exit windows (Ref. AMM TASK 56-21-13-100-002).
C. 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) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).
4. Procedure(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) Make sure that there is no TPS layer and if there is a TPS layer, remove it (Ref. AMM TASK 51-78-00-916-001).
Subtask 56-21-13-210-051-A
A. Inspection
(1) Do a detailed inspection of the inner and outer window panes of the cabin windows and the passenger/crew door windows. Do this inspection for damage or discontinuities.
Look for:
- Crazing (1): small cracks that go in all directions
- Deep scratches or surface cracks (2) (without crazing)
- Fine scratches or surface cracks (3) (with crazing)
- Crazing (4): small cracks that go in one direction
- Cracks (5) (usually extend through the full material thickness)
- Orange peel effect (6): irregular cracks on or below the surface
- Fine scratches (7) (they can become cracks)
- Chipping (8) (usually only at the window pane edges)
- Delamination (9): equivalent-to-slate separation of the material
- Pitting (10): effect when hard particles hit the surface
- Vent hole damage (11): small particles from the edge of the hole.
(2) You must use the FLASHLIGHT at different angles to look for damage in the window panes.
(3) If you find damage during the inspection of the window panes:
(a) You must measure the depth of the damage (refer to step (4)).
(b) You must replace the window panes that have damage that is more than the permitted limits.
(4) Measure the depth of the damage, as follows:
(a) Put the PAPER - GRAPH, TRANSPARENT on the damaged area of the window.
(d) Make a line around the dark area.
(f) Multiply the dimension by 1.6 to get the correct depth.
Subtask 56-21-13-210-055-A (1) Do a detailed inspection of the inner and outer window panes of the cabin windows and the passenger/crew door windows. Do this inspection for damage or discontinuities.
Look for:
- Crazing (1): small cracks that go in all directions
- Deep scratches or surface cracks (2) (without crazing)
- Fine scratches or surface cracks (3) (with crazing)
- Crazing (4): small cracks that go in one direction
- Cracks (5) (usually extend through the full material thickness)
- Orange peel effect (6): irregular cracks on or below the surface
- Fine scratches (7) (they can become cracks)
- Chipping (8) (usually only at the window pane edges)
- Delamination (9): equivalent-to-slate separation of the material
- Pitting (10): effect when hard particles hit the surface
- Vent hole damage (11): small particles from the edge of the hole.
(2) You must use the FLASHLIGHT at different angles to look for damage in the window panes.
(3) If you find damage during the inspection of the window panes:
(a) You must measure the depth of the damage (refer to step (4)).
(b) You must replace the window panes that have damage that is more than the permitted limits.
(4) Measure the depth of the damage, as follows:
(a) Put the PAPER - GRAPH, TRANSPARENT on the damaged area of the window.
NOTE: You can also use the MICROMETER - OPTICAL as an alternative to the transparent graph paper.
(b) Put the light source: - At 45 degrees from the opposite surface of the window pane
- At 90 degrees from the longitudinal axis of the damage.
(d) Make a line around the dark area.
NOTE: The depth of the damage shows as a dark area on the transparent graph paper.
(e) Measure and record the distance at the maximum depth.(f) Multiply the dimension by 1.6 to get the correct depth.
NOTE: You can use Mitutoyo surface tester SJ201 to measure the depth of the damage (Ref. AMM TASK 56-10-00-200-004).
B. Unscheduled Inspection
(1) Do a visual inspection of the inner and outer panes of the cabin and passenger/crew door windows for cracks:
(a) If you find cracks only on the inner panes of the cabin or passenger/crew door window, 10 flight legs are permitted in the non-pressurized flight condition only.
(2) Do a check of the inner ply of the cabin window for defects:
(a) If you find damage on the cabin window, make sure that before each flight you record the condition of its inner ply (outer ply with cracks).
5. Close-up(1) Do a visual inspection of the inner and outer panes of the cabin and passenger/crew door windows for cracks:
(a) If you find cracks only on the inner panes of the cabin or passenger/crew door window, 10 flight legs are permitted in the non-pressurized flight condition only.
(2) Do a check of the inner ply of the cabin window for defects:
(a) If you find damage on the cabin window, make sure that before each flight you record the condition of its inner ply (outer ply with cracks).
Subtask 56-21-13-410-056-A Subtask 56-21-13-942-052-A ** ON A/C NOT FOR ALL
B. Put the aircraft back to the serviceable condition.
(1) Do the special precautions after you do work on the door (Ref. AMM TASK 52-10-00-860-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the applicable passenger/crew door 831 or 841 or 832 or 842 (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
Subtask 56-21-13-942-052-B ** ON A/C NOT FOR ALL (1) Do the special precautions after you do work on the door (Ref. AMM TASK 52-10-00-860-002).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close the applicable passenger/crew door 831 or 841 or 832 or 842 (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
B. Put the aircraft back to the serviceable condition.
(1) Do the special precautions after you do work on the door (Ref. AMM TASK 52-10-00-860-002) (Ref. AMM TASK 52-22-00-860-004).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close:
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.
(1) Do the special precautions after you do work on the door (Ref. AMM TASK 52-10-00-860-002) (Ref. AMM TASK 52-22-00-860-004).
(2) Make sure that the work area is clean and clear of tools and other items.
(3) Close:
- the applicable passenger/crew door 831 or 832 or 841 or 842 (Ref. AMM TASK 52-10-00-410-001)
- the emergency exit door 833 or 834 or 843 or 844 (Ref. AMM TASK 52-22-00-410-001).
(5) Remove the ground support and maintenance equipment, the special and standard tools and all other items.