DOC AIRBUS | AMM A320FOperational Test of the FADEC on the Ground (with Engine Non motoring) [CFMB]
TASK 73-29-00-710-040-B-02
Operational Test of the FADEC on the Ground (with Engine Non motoring)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
B. Referenced Information
3. Job Set-up
Subtask 73-29-00-861-051-A ** ON A/C NOT FOR ALL Subtask 73-29-00-865-051-A ** ON A/C NOT FOR ALL
Subtask 73-29-00-710-051-B ** ON A/C NOT FOR ALL
Subtask 73-29-00-860-054-A ** ON A/C NOT FOR ALL
[Rev.10 from 2021]
2026.04.01 02:59:48 UTC
Operational Test of the FADEC on the Ground (with Engine Non motoring)
1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment
| REFERENCE | QTY | DESIGNATION |
|---|---|---|
| No specific | AR | WARNING NOTICE(S) |
| 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 31-32-00-860-012-A | Procedure to Get Access to the SYSTEM REPORT/TEST/ENG Page |
FADEC Test Engine Non-MotoringSubtask 73-29-00-861-051-A ** ON A/C NOT FOR ALL Subtask 73-29-00-865-051-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
Subtask 73-29-00-860-053-A ** ON A/C NOT FOR ALL | PANEL | DESIGNATION | FIN | LOCATION |
|---|---|---|---|
| ** ON A/C NOT FOR ALL | |||
| 49VU | ENGINE/1 AND 2/IGN/SYS A | 1JH | A03 |
| FOR FIN: 1000EM1 (ENGINE1) | |||
| 49VU | ENGINE/1/FADEC A/AND EIU 1 | 2KS1 | A04 |
| 121VU | ENGINE/IGN/ENG1/SYS B | 3JH1 | P41 |
| 121VU | ENGINE/IGN/ENG1/SYS A BAT | 2JH1 | P39 |
| 121VU | ENGINE/ENG1/FADEC B/AND EIU 1 | 4KS1 | R41 |
| FOR FIN: 1000EM2 (ENGINE2) | |||
| 49VU | ENGINE/2/FADEC A/AND EIU 2 | 2KS2 | A05 |
| 121VU | ENGINE/IGN/ENG2/SYS B | 3JH2 | P42 |
| 121VU | ENGINE/IGN/ENG2/SYS A BAT | 2JH2 | P40 |
| 121VU | ENGINE/ENG2/FADEC B | 4KS2 | Q40 |
C. Aircraft Maintenance Configuration
(1) On the ENG section of the maintenance panel 50VU:
(a) Push the FADEC GND PWR 1(2) pushbutton switch.
(b) The ON legend of this pushbutton switch comes on.
(2) On the AIR COND panel 30VU:
(a) Make sure that the APU BLEED pushbutton switch is released (ON legend off).
(b) Install a WARNING NOTICE(S) to tell the persons not to use it.
(3) Put a WARNING NOTICE(S) on the HP ground connector to tell the persons not to pressurize the pneumatic system.
(4) On the overhead panel, on the ADIRS CDU, set the three OFF/NAV/ATT selector switches to NAV.
(5) On the left or right MCDU, get the SYSTEM REPORT/TEST ENG MENU PAGE (Ref. AMM TASK 31-32-00-860-012)
Subtask 73-29-00-860-053-B ** ON A/C NOT FOR ALL (1) On the ENG section of the maintenance panel 50VU:
(a) Push the FADEC GND PWR 1(2) pushbutton switch.
(b) The ON legend of this pushbutton switch comes on.
(2) On the AIR COND panel 30VU:
(a) Make sure that the APU BLEED pushbutton switch is released (ON legend off).
(b) Install a WARNING NOTICE(S) to tell the persons not to use it.
(3) Put a WARNING NOTICE(S) on the HP ground connector to tell the persons not to pressurize the pneumatic system.
(4) On the overhead panel, on the ADIRS CDU, set the three OFF/NAV/ATT selector switches to NAV.
(5) On the left or right MCDU, get the SYSTEM REPORT/TEST ENG MENU PAGE (Ref. AMM TASK 31-32-00-860-012)
C. Aircraft Maintenance Configuration
(1) On the ENG section of the maintenance panel 50VU:
(a) Push the FADEC GND PWR 1(2) pushbutton switch.
(b) The ON legend of this pushbutton switch comes on.
(2) On the AIR COND panel 30VU:
(a) Make sure that the APU BLEED pushbutton switch is released (ON legend off).
(b) Install a WARNING NOTICE(S) to tell the persons not to use it.
(3) Put a WARNING NOTICE(S) on the HP ground connector to tell the persons not to pressurize the pneumatic system.
(4) On the overhead panel, on the ADIRS MSU panel 41VU, set the three OFF/NAV/ATT selector switches to NAV.
(5) On the left or right MCDU, get the SYSTEM REPORT/TEST ENG MENU PAGE (Ref. AMM TASK 31-32-00-860-012)
4. Procedure(1) On the ENG section of the maintenance panel 50VU:
(a) Push the FADEC GND PWR 1(2) pushbutton switch.
(b) The ON legend of this pushbutton switch comes on.
(2) On the AIR COND panel 30VU:
(a) Make sure that the APU BLEED pushbutton switch is released (ON legend off).
(b) Install a WARNING NOTICE(S) to tell the persons not to use it.
(3) Put a WARNING NOTICE(S) on the HP ground connector to tell the persons not to pressurize the pneumatic system.
(4) On the overhead panel, on the ADIRS MSU panel 41VU, set the three OFF/NAV/ATT selector switches to NAV.
(5) On the left or right MCDU, get the SYSTEM REPORT/TEST ENG MENU PAGE (Ref. AMM TASK 31-32-00-860-012)
Subtask 73-29-00-710-051-B ** ON A/C NOT FOR ALL
A. Do this test:
5. Close-upNOTE: This test is for the engine 1. For the other system(s), use the indications between the parentheses.
| ACTION | RESULT |
|---|---|
| 1.Push the line key adjacent to the FADEC 1A(2A) indication. |
|
| 2.Push the line key adjacent to the FADEC TEST indication. | The FADEC TEST menu comes into view. |
| 3.Push the line key adjacent to the PUSH BUTTON TO START THE TEST indication. | A new FADEC TEST page comes into view. |
| 4.On the panel 115VU, make sure that the ENG MODE CRANK/NORM/IGN/START selector switch is set to NORM. | |
| 5.On the panel 115VU set the ENG MASTER 1(2) lever to ON. | The indication WARNING TEST ACTIVE comes into view. When the test is finished a new FADEC TEST page comes into view. |
| 6.On the MCDU push the line key adjacent to the DISPLAY NON-MOTORING TEST RESULTS. | The FADEC TEST REPORT page comes into view |
| 7.Push the line key adjacent to the RETURN pushbutton switch | The TEST COMPLETE page comes into view |
| 8.Set ENG MASTER 1(2) lever to OFF. | |
| 9.Push the line key adjacent to the RETURN indication until the SYSTEM REPORT / TEST ENG MENU | The ENGINE 1(2) MAIN MENU page comes into view. |
| 10.Do an ECU reset. To do this position the ENG MASTER control switch to ON then OFF. | |
| 11.Do the procedure for channel B of the FADEC 1(2) | |
| 12.On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view. | |
| 13.Push the MCDU MENU mode key. | The MCDU MENU page comes into vieu |
Subtask 73-29-00-860-054-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
(1) Remove the WARNING NOTICE(S).
(2) On the ENG section of the maintenance panel 50VU:
(a) Release the FADEC GND PWR 1(2) pushbutton switch.
(b) The ON legend goes off.
(c) Set the ADIRU to the OFF position.
Subtask 73-29-00-862-051-A ** ON A/C NOT FOR ALL (1) Remove the WARNING NOTICE(S).
(2) On the ENG section of the maintenance panel 50VU:
(a) Release the FADEC GND PWR 1(2) pushbutton switch.
(b) The ON legend goes off.
(c) Set the ADIRU to the OFF position.