What was found
APU FAILED TO START, 3 ATTEMPTS. FOUND APU T/R CIRCUIT BREAKER TRIPPED. FOUND TRU SHORT TO GROUND. R & R APU TRU, PERFORMED APU OPS CHECK, CONDITION OK IAW AMM 24-32-04. AMM 49-11-00.
- Difficulty date
- January 8, 2016
- Submitted
- January 8, 2016
- Operation
- Air carrier
- Aircraft
- N643GT
- Make and model
- Boeing 7673JHF
- Aircraft serial
- 37809
- Aircraft time
- 7,095 hours, 2,009 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Tru
- Part serial
- 12036394
- Condition
- Shorted
- Location
- Apu
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.