What was found
APU WILL NOT START. TROUBLESHOT THE APU. FOUND FAULTY APU TRANSFORMER RECTIFIER UNIT IAW FIM 49-11-00-815-807-001, BLOCK 2. APU NOW OPERATIVE.
- Difficulty date
- September 18, 2017
- Submitted
- September 20, 2017
- Operation
- Air carrier
- Aircraft
- N349UP
- Make and model
- Boeing 76734AF
- Aircraft serial
- 37947
- Aircraft time
- 13,043 hours, 4,812 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Tru
- Condition
- Failed
- 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.