DOC AIRBUS | TSM A320FECB (59KD) Fault (131-9(A))
TASK 49-61-00-810-807-A
ECB (59KD) Fault (131-9(A))
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 49-61-00-710-062-A ** ON A/C NOT FOR ALL
Subtask 49-61-00-810-056-A ** ON A/C NOT FOR ALL
[Rev.8 from Aug 2018]
2026.04.04 04:34:40 UTC
ECB (59KD) Fault (131-9(A))
1. Possible Causes
- ECB INTERNAL FAILURE
- ELECTRONIC CONTROL BOX [59KD]
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| AMM 49-00-00-860-008 | APU Start by External Power |
| AMM 49-00-00-860-009 | APU Shutdown by External Power (131-9(A)) |
| AMM 49-61-34-000-003 | Removal of the Electronic Control Box (ECB) (131-9(A)) |
| AMM 49-61-34-400-003 | Installation of the Electronic Control Box (ECB) (131-9(A)) |
Subtask 49-61-00-710-062-A ** ON A/C NOT FOR ALL
A. Read-out of ECB Trouble-Shooting Data
(1) Put the APU MASTER SW to the ON position.
(2) Get access to the APU LAST LEG/PREVIOUS LEG report.
(3) Push the '>'-key adjacent to the related CFDS failure message.
(4) If the MCDU menu shows:
ECB INTERNAL FAILURE
associated with Fault Code Number (FCN) 11, 12, 13 or 14
(b) Start the APU AMM 49-00-00-860-008.
(c) Get access to the APU GND SCANNING menu.
(d) Shut down the APU AMM 49-00-00-860-009
(5) If the MCDU menu shows:
ECB INTERNAL FAILURE
associated with Fault Code Number (FCN) 40, 41, 44, 45, 56, 174, 175, 234, 235, 237 or 238
(b) Get access to the APU GND SCANNING menu.
(6) If the MCDU menu shows:
ECB INTERNAL FAILURE
associated with Fault Code Number (FCN) 231 or 232
(b) Get access to the APU GND SCANNING menu.
(c) Shut down the APU AMM 49-00-00-860-009
(d) Wait until the ECB (59KD) power-down, speed < 7% plus 30 seconds.
(e) Put the APU MASTER SW to the ON position.
(f) Get access to the APU GND SCANNING menu.
4. Fault Isolation(1) Put the APU MASTER SW to the ON position.
(2) Get access to the APU LAST LEG/PREVIOUS LEG report.
(3) Push the '>'-key adjacent to the related CFDS failure message.
(4) If the MCDU menu shows:
ECB INTERNAL FAILURE
associated with Fault Code Number (FCN) 11, 12, 13 or 14
- do the Fault Confirmation that follows:
(b) Start the APU AMM 49-00-00-860-008.
(c) Get access to the APU GND SCANNING menu.
(d) Shut down the APU AMM 49-00-00-860-009
(5) If the MCDU menu shows:
ECB INTERNAL FAILURE
associated with Fault Code Number (FCN) 40, 41, 44, 45, 56, 174, 175, 234, 235, 237 or 238
- do the Fault Confirmation that follows:
(b) Get access to the APU GND SCANNING menu.
(6) If the MCDU menu shows:
ECB INTERNAL FAILURE
associated with Fault Code Number (FCN) 231 or 232
- do the Fault Confirmation that follows:
(b) Get access to the APU GND SCANNING menu.
(c) Shut down the APU AMM 49-00-00-860-009
(d) Wait until the ECB (59KD) power-down, speed < 7% plus 30 seconds.
(e) Put the APU MASTER SW to the ON position.
(f) Get access to the APU GND SCANNING menu.
Subtask 49-61-00-810-056-A ** ON A/C NOT FOR ALL
A. If the APU GND SCANNING menu gives the maintenance message:
ECB (59KD)
Subtask 49-61-00-710-063-A ** ON A/C NOT FOR ALL ECB (59KD)
- replace the ELECTRONIC CONTROL BOX [59KD] AMM 49-61-34-000-003 and AMM 49-61-34-400-003.
B. Do the test given in Para. 3.