What was found
APU GENERATOR WILL NOT CONNECT TO BUSS. ACFT GROUNDED. APU GCU SHOWS FEEDER FAULT. BITE TESTED & FAULT WENT AWAY. REMOVED AND INSTALLED A NEW APU STARTER GENERATOR IAW AMM 49-41-21-000-801, AND 49-41-21-400-801.
- Difficulty date
- September 25, 2017
- Submitted
- October 6, 2017
- Operation
- Air carrier
- Aircraft
- N461AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36363
- Aircraft time
- 14,121 hours, 4,628 cycles
- System (JASC)
- 2421 · AC Generator-Alternator
- Part
- Starter Gen
- Part number
- 28B5459
- Part serial
- 60A0537
- Condition
- Faulted
- Location
- Apu
- Part time
- 10,578 hours, 15,224 cycles
- 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.