DOC AIRBUS | AMM A320FInstallation of the CABIN RESSURE Warning-Light Panel on the Forward Passenger/Crew Door
TASK 52-73-22-400-001-A
Installation of the CABIN RESSURE Warning-Light Panel on the Forward Passenger/Crew Door
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Consumable Materials
C. Work Zones and Access Panels
D. Expendable Parts
E. Referenced Information
3. Job Set-up
Subtask 52-73-22-860-051-A
Subtask 52-73-22-420-054-A
Subtask 52-73-22-410-051-A
[Rev.10 from 2021]
2026.04.01 06:08:22 UTC
Installation of the CABIN RESSURE Warning-Light Panel on the Forward Passenger/Crew Door
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 5M (16 FT)- ADJUSTABLE |
| No specific | AR | WARNING NOTICE(S) |
| REFERENCE | DESIGNATION |
|---|---|
| (Material No.14SBA1) | Textile-Lint free Cotton - |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 831 | FORWARD PASSENGER/CREW DOOR |
| 841 | FORWARD PASSENGER/CREW DOOR |
| 831, 841 | |
| FOR [16WN1] (WARN LT PNL-CABIN PRESSURE, FWD L DOOR) | |
| 831DZ, 831EZ | |
| FOR [16WN2] (WARN LT PNL-CABIN PRESSURE, FWD R DOOR) | |
| 841DZ, 841EZ | |
| FIG.ITEM | DESIGNATION | IPC-CSN |
|---|---|---|
| 3 | LAMPS | AIPC 52-73-22-01-030 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 25-23-46-000-001-A | Removal of the Door Linings from the Forward Passenger/Crew Doors |
| TASK 25-23-46-400-001-A | Installation of the Door Linings on the Forward Passenger/Crew Doors |
| 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 52-73-00-710-004-A | Operational Test of the Cabin Overpressure Warning-System |
Forward Passenger/Crew Door CABIN PRESSURE Warning-Light PanelSubtask 52-73-22-860-051-A
A. Aircraft Maintenance Configuration
(1) Make sure that the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position at zone 831(841).
(2) Make sure that the applicable forward passenger/crew door is open (Ref. AMM TASK 52-10-00-010-001).
(3) Make sure that you obeyed the special precautions. (Ref. AMM TASK 52-10-00-860-001).
(4) Make sure that the applicable door linings are removed (Ref. AMM TASK 25-23-46-000-001):
(a) FOR [16WN1] (WARN LT PNL-CABIN PRESSURE, FWD L DOOR)
(b) FOR [16WN2] (WARN LT PNL-CABIN PRESSURE, FWD R DOOR)
Subtask 52-73-22-865-052-A (1) Make sure that the ACCESS PLATFORM 5M (16 FT)- ADJUSTABLE is in position at zone 831(841).
(2) Make sure that the applicable forward passenger/crew door is open (Ref. AMM TASK 52-10-00-010-001).
(3) Make sure that you obeyed the special precautions. (Ref. AMM TASK 52-10-00-860-001).
(4) Make sure that the applicable door linings are removed (Ref. AMM TASK 25-23-46-000-001):
(a) FOR [16WN1] (WARN LT PNL-CABIN PRESSURE, FWD L DOOR)
(b) FOR [16WN2] (WARN LT PNL-CABIN PRESSURE, FWD R DOOR)
B. Make sure that this(these) circuit breaker(s) is(are) open, safetied and tagged:
Subtask 52-73-22-860-055-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/OIL/PRESS | 2EN2 | N42 |
| 121VU | ENGINE/ENG1/OIL/PRESS | 2EN1 | N40 |
| ** ON A/C ALL | |||
| 121VU | EIS/SLIDES/ARM AND WARN/FLT | 15WN | P11 |
| 121VU | EIS/SLIDES/ARM AND WARN/GND | 13WN | P10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | OIL/PRESS/ENG2 | 10KC2 | N42 |
| 121VU | OIL/PRESS/ENG1 | 10KC1 | N40 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/OIL/PRESS/AND REV SNSR/CHAN A | 2EN2 | N42 |
| 121VU | ENGINE/ENG1/OIL/PRESS/AND REV SNSR/CHAN A | 2EN1 | N40 |
C. Safety Precautions
(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons that the two thrust-reverser control levers are not serviceable.
4. Procedure(1) On the center pedestal, on ENG panel 115VU:
(a) Put the WARNING NOTICE(S) in position to tell persons that the two thrust-reverser control levers are not serviceable.
Subtask 52-73-22-420-054-A
A. Installation of the Lamps
(1) Use the Textile-Lint free Cotton - (Material No.14SBA1) to put the new AIPC 52-73-22-01-030 LAMPS (3) in position on the CABIN PRESSURE warning-light panel (1).
(2) Install the lens (4) on the CABIN PRESSURE warning-light panel (1).
Subtask 52-73-22-420-050-A (1) Use the Textile-Lint free Cotton - (Material No.14SBA1) to put the new AIPC 52-73-22-01-030 LAMPS (3) in position on the CABIN PRESSURE warning-light panel (1).
(2) Install the lens (4) on the CABIN PRESSURE warning-light panel (1).
B. Installation of the CABIN-PRESSURE Warning-Light Panel
(1) Install the CABIN PRESSURE warning-light panel (1) on the lining panel (5).
(2) Remove the CAP-BLANKING from each electrical connector and receptacle.
(3) Connect the electrical connector (7) to the electrical receptacle (6).
Subtask 52-73-22-410-050-A (1) Install the CABIN PRESSURE warning-light panel (1) on the lining panel (5).
(2) Remove the CAP-BLANKING from each electrical connector and receptacle.
(3) Connect the electrical connector (7) to the electrical receptacle (6).
C. Installation of the Door Linings
(1) Install the applicable door linings (Ref. AMM TASK 25-23-46-400-001):
(a) FOR [16WN1] (WARN LT PNL-CABIN PRESSURE, FWD L DOOR)
(b) FOR [16WN2] (WARN LT PNL-CABIN PRESSURE, FWD R DOOR)
Subtask 52-73-22-865-053-A (1) Install the applicable door linings (Ref. AMM TASK 25-23-46-400-001):
(a) FOR [16WN1] (WARN LT PNL-CABIN PRESSURE, FWD L DOOR)
(b) FOR [16WN2] (WARN LT PNL-CABIN PRESSURE, FWD R DOOR)
D. Remove the safety clip(s) and the tag(s) and close this(these) circuit breaker(s):
Subtask 52-73-22-710-051-A | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/OIL/PRESS | 2EN2 | N42 |
| 121VU | ENGINE/ENG1/OIL/PRESS | 2EN1 | N40 |
| ** ON A/C ALL | |||
| 121VU | EIS/SLIDES/ARM AND WARN/FLT | 15WN | P11 |
| 121VU | EIS/SLIDES/ARM AND WARN/GND | 13WN | P10 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | OIL/PRESS/ENG2 | 10KC2 | N42 |
| 121VU | OIL/PRESS/ENG1 | 10KC1 | N40 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | ENGINE/ENG2/OIL/PRESS/AND REV SNSR/CHAN A | 2EN2 | N42 |
| 121VU | ENGINE/ENG1/OIL/PRESS/AND REV SNSR/CHAN A | 2EN1 | N40 |
E. Operational Test of the Cabin Overpressure Warning-System
(1) Do an operational test of the cabin overpressure warning-system (Ref. AMM TASK 52-73-00-710-004).
5. Close-up(1) Do an operational test of the cabin overpressure warning-system (Ref. AMM TASK 52-73-00-710-004).
Subtask 52-73-22-410-051-A
A. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Obey the special precautions after the work on the door (Ref. AMM TASK 52-10-00-860-002).
(3) Close forward passenger/crew door 831 or 841 (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Obey the special precautions after the work on the door (Ref. AMM TASK 52-10-00-860-002).
(3) Close forward passenger/crew door 831 or 841 (Ref. AMM TASK 52-10-00-410-001).
(4) Remove the access platform(s).