W DOC AIRBUS | TSM A320F

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
  • SOCKET
  • wiring
2. Job Set-up Information
 A. Referenced Information
REFERENCE
DESIGNATION
ASM 333101
3. Fault Confirmation
Subtask 33-31-00-710-051-A
A. Measure the voltage at the maintenance socket with a voltmeter.
4. Fault Isolation
Subtask 33-31-00-810-052-A
A. If there is no 28 VDC:
  • replace the related SOCKET
   (1) If the fault continues:
  • 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.
Subtask 33-31-00-710-054-A
B. Do the test as given in the Para. 3.A .
5. Close-up
Subtask 33-31-00-860-051-A
A. Put the aircraft back to its initial configuration.
[Rev.8 from Aug 2018] 2026.04.04 04:31:56 UTC