DOC AIRBUS | TSM A320FInternal Failure of the ECU on Engine 2
TASK 71-50-00-810-820-A
Internal Failure of the ECU on Engine 2
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 71-50-00-710-085-A ** ON A/C NOT FOR ALL
Subtask 71-50-00-810-073-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:34:59 UTC
Internal Failure of the ECU on Engine 2
1. Possible Causes
- ECU [4000KS]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 73-21-60-000-001 | Removal of the Electronic Control Unit (ECU) |
| AMM 73-21-60-400-001 | Installation of the Electronic Control Unit (ECU) |
| AMM 73-29-00-710-040 | Operational Test of the FADEC on the ground (with Engine Motoring) |
Subtask 71-50-00-710-085-A ** ON A/C NOT FOR ALL
A. Test
(1) Do the operational test of the FADEC 2B on the ground (with engine non motoring) AMM 73-29-00-710-040.
(2) Read the CLASS 3 FAULT REPORT on the MCDU.
4. Fault Isolation(1) Do the operational test of the FADEC 2B on the ground (with engine non motoring) AMM 73-29-00-710-040.
(2) Read the CLASS 3 FAULT REPORT on the MCDU.
Subtask 71-50-00-810-073-A ** ON A/C NOT FOR ALL
A. If the CLASS 3 FAULTS page gives the maintenance message J4, ECU:
- replace the ECU [4000KS] AMM 73-21-60-000-001 AMM 73-21-60-400-001.