Socket - No 28 VDC at the Maintenance Socket in Section 19
TASK 33-31-00-810-802-A
Socket - No 28 VDC at the Maintenance Socket in Section 19
1. Possible Causes
A. Referenced Information
3. Fault Confirmation
Subtask 33-31-00-710-051-A
Subtask 33-31-00-810-052-A
Subtask 33-31-00-860-051-A
[Rev.8 from Aug 2018]
2026.04.04 04:31:56 UTC
Socket - No 28 VDC at the Maintenance Socket in Section 19
1. Possible Causes
- SOCKET
- wiring
A. Referenced Information
| REFERENCE | DESIGNATION |
|---|---|
| ASM 333101 |
Subtask 33-31-00-710-051-A
A. Measure the voltage at the maintenance socket with a voltmeter.
4. Fault IsolationSubtask 33-31-00-810-052-A
A. If there is no 28 VDC:
Subtask 33-31-00-710-054-A - replace the related SOCKET
- do a check and repair the wiring between:
SOCKET 8LJ pin + and CB 1LJ,
SOCKET 8LJ pin N and GND,
SOCKET 10LJ pin + and CB 1LJ,
SOCKET 10LJ pin N and GND ASM 333101.
B. Do the test as given in the Para. 3.A .
5. Close-upSubtask 33-31-00-860-051-A
A. Put the aircraft back to its initial configuration.