What was found
APU WOULD NOT START, THREE ATTEMPTS. ACFT GROUNDED. REPLACED EXCITER IAW AMM 49-41-31-400-801. APU OPS CHECK NORMAL.
- Difficulty date
- November 28, 2014
- Submitted
- December 2, 2014
- Operation
- Air carrier
- Aircraft
- N459AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36352
- Aircraft time
- 2,611 hours, 831 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 140001
- Condition
- Failed
- Location
- Apu
- Part time
- 584 hours, 1,246 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.