What was found
AFTER APU STARTED DURING POWER TRANSFER APU SHUT DOWN AND FAULT LIGHT ON. DEFERRED PER MEL 49-11-01A@0315Z 9/10/2024. REMOVED AND REPLACED K-421 RELAY OPS CHECK NORMAL IAW AMM 49-11-00.
- Difficulty date
- September 10, 2024
- Submitted
- September 17, 2024
- Operation
- Air carrier
- Aircraft
- N379CX
- Make and model
- Boeing 767323
- Aircraft serial
- 25199
- Aircraft time
- 111,909 hours, 20,986 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Condition
- Faulted
- Location
- Zone 100
- Stage of operation
- NR
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.