DOC AIRBUS | AMM A320FOperational Test after Removal/Installation of the Pressure Switches
TASK 27-96-00-710-011-A
Operational Test after Removal/Installation of the Pressure Switches
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Work Zones and Access Panels
C. Referenced Information
3. Job Set-up
Subtask 27-96-00-860-074-A ** ON A/C NOT FOR ALL
Subtask 27-96-00-710-062-C
Subtask 27-96-00-860-075-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 00:00:00 UTC
Operational Test after Removal/Installation of the Pressure Switches
ZONE: 210
1. Reason for the JobSelf 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 |
| ZONE/ACCESS | ZONE DESCRIPTION |
|---|---|
| 210 | CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD |
| 822 |
| REFERENCE | DESIGNATION |
|---|---|
| TASK 24-41-00-861-002-A | Energize the Aircraft Electrical Circuits from the External Power |
| TASK 24-41-00-861-002-A-01 | Energize the Aircraft Electrical Circuits from the APU |
| TASK 24-41-00-861-002-A-02 | Energize the Aircraft Electrical Circuits from Engine 1(2) |
| TASK 24-41-00-862-002-A | De-energize the Aircraft Electrical Circuits Supplied from the External Power |
| TASK 24-41-00-862-002-A-01 | De-energize the Aircraft Electrical Circuits Supplied from the APU |
| TASK 24-41-00-862-002-A-02 | De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2) |
| TASK 31-32-00-860-006-A | Procedure to Get Access to the SYSTEM REPORT/TEST F/CTL Page |
Subtask 27-96-00-860-074-A ** ON A/C NOT FOR ALL
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU, make sure that:
Subtask 27-96-00-860-074-B ** ON A/C NOT FOR ALL (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU, make sure that:
- The FLT CTL/ELAC 1 and FLT CTL/SEC 1 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
- The FLT CTL/ELAC 2, FLT CTL/SEC 2 and FLT CTL/SEC 3 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
- Set the 3 OFF/NAV/ATT selector switches to NAV.
- Get access to the SYSTEM REPORT/TEST F/CTL page (Ref. AMM TASK 31-32-00-860-006).
A. Aircraft Maintenance Configuration
(1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU, make sure that:
Subtask 27-96-00-010-060-A (1) Energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-861-002).
(2) On the overhead panel 23VU, make sure that:
- The FLT CTL/ELAC 1 and FLT CTL/SEC 1 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
- The FLT CTL/ELAC 2, FLT CTL/SEC 2 and FLT CTL/SEC 3 pushbutton switches are pushed (on these pushbutton switches, the FAULT and OFF legends are off).
- Set the 3 OFF/NAV/ATT selector switches to NAV.
- Get access to the SYSTEM REPORT/TEST F/CTL page (Ref. AMM TASK 31-32-00-860-006).
B. Get Access
(1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:
Subtask 27-96-00-865-064-A (1) Put the ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at the access door 822.
(2) Open the access door 822.
(3) On the battery power center 105VU:
- loosen the two screws and remove the protective cover.
C. Make sure that this(these) circuit breaker(s) is(are) closed:
4. Procedure| PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT FLP/POS/IND 1 | 1CN | B12 |
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B11 |
| 49VU | FLIGHT CONTROLS/FCDC1/SPLY | 20CE1 | B10 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B09 |
| 49VU | FLIGHT CONTROLS/SEC1/NORM/SPLY | 21CE1 | B08 |
| 49VU | FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 | 6CV | B07 |
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B06 |
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | B04 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | B03 |
| ** ON A/C NOT FOR ALL | |||
| 49VU | FLIGHT CONTROLS/SLT FLP/POS/IND 1 | 1CN | B07 |
| 49VU | FLIGHT CONTROLS/ELAC1/NORM/SPLY | 15CE1 | B06 |
| 49VU | FLIGHT CONTROLS/FCDC1/SPLY | 20CE1 | B05 |
| 49VU | FLIGHT CONTROLS/THS/ACTR/MOT2 | 19CE2 | B04 |
| 49VU | FLIGHT CONTROLS/SEC1/NORM/SPLY | 21CE1 | B03 |
| 49VU | FLIGHT CONTROLS/FLP/CTL AND MONG/SYS1 | 6CV | B02 |
| 49VU | FLIGHT CONTROLS/SLT/CTL AND MONG/SYS1 | 5CV | B01 |
| 49VU | AUTO FLT/FAC1/28VDC | 5CC1 | H10 |
| 49VU | AUTO FLT/FAC1/26VAC | 14CC1 | H09 |
| ** ON A/C ALL | |||
| 105VU | FLIGHT CONTROLS/ELAC2/STBY SPLY | 16CE2 | A02 |
| 105VU | FLT CTL/ELAC1/STBY SPLY | 16CE1 | A01 |
| 105VU | FLT CTL/SEC1/STBY SPLY | 22CE | B01 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | PTR/SPLY | 6TW | J21 |
| 121VU | CFDS/CFDIU/SPLY | 2TW | J18 |
| 121VU | CFDS/CFDIU/BACK/UP | 8TW | J17 |
| 121VU | AUTO FLT/RUDDER/ARTF/FEEL | 14CA | N17 |
| 121VU | AUTO FLT/STICK/LOCK | 13CA | N16 |
| 121VU | FLIGHT CONTROLS/SLT FLP/2POS/IND | 2CN | P16 |
| ** ON A/C ALL | |||
| 121VU | AUTO FLT/RUDDER/TRIM/IND | 15CC | M20 |
| 121VU | AUTO FLT/FAC2/28VDC | 5CC2 | M19 |
| 121VU | AUTO FLT/FAC2/26VAC | 14CC2 | M18 |
| 121VU | FLIGHT CONTROLS/WTB/FLP/SYS2 | 12CV | P20 |
| 121VU | FLIGHT CONTROLS/WTB/SLT/SYS2 | 11CV | P19 |
| 121VU | FLIGHT CONTROLS/FLP/CTL AND/MONG/SYS2 | 8CV | Q21 |
| 121VU | FLIGHT CONTROLS/FCDC2/SPLY | 20CE2 | Q20 |
| 121VU | FLIGHT CONTROLS/SEC3/SPLY | 21CE3 | Q19 |
| 121VU | FLIGHT CONTROLS/SEC2/SPLY | 21CE2 | Q18 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT3 | 19CE3 | Q17 |
| 121VU | FLIGHT CONTROLS/THS ACTR/MOT1 | 19CE1 | Q16 |
| 121VU | FLIGHT CONTROLS/SLT/CTL/SYS2 | 7CV | R21 |
| 121VU | FLIGHT CONTROLS/ELAC2/NORM/SPLY | 15CE2 | R20 |
| ** ON A/C NOT FOR ALL | |||
| 121VU | PTR/SPLY | 6TW | J44 |
| 121VU | CFDS/CFDIU/SPLY | 2TW | J41 |
| 121VU | CFDS/CFDIU/BACK/UP | 8TW | J40 |
| 121VU | AUTO FLT/RUDDER/ARTF/FEEL | 14CA | N19 |
| 121VU | AUTO FLT/STICK/LOCK | 13CA | N18 |
| 121VU | FLIGHT CONTROLS/SLT FLP/2POS/IND | 2CN | P21 |
| ** ON A/C ALL | |||
| 122VU | FLIGHT CONTROLS/WTB/FLP/SYS1 | 10CV | S07 |
| 122VU | FLIGHT CONTROLS/WTB/SLT/SYS1 | 9CV | S06 |
Subtask 27-96-00-710-062-C
A. Do this test:
5. Close-up| ACTION | RESULT |
|---|---|
| 1.Push the line key adjacent to the EFCS 1(2) indication. | The MCDU shows the EFCS1(2) page. |
| 2.Push the line key adjacent to the GROUND SCAN indication. | The MCDU shows the EFCS1(2)/GROUND SCAN page. |
| 3.Push the line key adjacent to the START GROUND SCAN indication. | |
| Wait for two minutes. | |
| 4.Push the line key adjacent to the GROUND SCAN STOP indication. | |
| 5.Push the line key adjacent to the GROUND REPORT indication. | Make sure that the MCDU shows no maintenance message related to the pressure switches (10CE1, 10CE2, 10CE3). |
| 6.On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view. | The MCDU shows the MCDU MENU page. |
Subtask 27-96-00-860-075-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) On the overhead panel 20VU, on the ADIRS CDU:
Subtask 27-96-00-860-075-B ** ON A/C NOT FOR ALL (1) On the overhead panel 20VU, on the ADIRS CDU:
- set the 3 OFF/NAV/ATT selector switches to OFF.
A. Put the aircraft back to its initial configuration.
(1) On the overhead panel 41VU, on the ADIRS MSU:
Subtask 27-96-00-410-053-A (1) On the overhead panel 41VU, on the ADIRS MSU:
- set the 3 OFF/NAV/ATT selector switches to OFF.
B. Close Access
(1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).
(1) Install the protective cover on the battery power center 105VU.
(2) Tighten the two screws.
(3) Close the access door 822.
(4) Remove the access platform(s).