What was found
APU FAILED TO START. ACFT GROUNDED. R & R THE APU IGNITION UNIT REF AMM 49-41-31. OPS CHECK NORMAL.
- Difficulty date
- March 17, 2015
- Submitted
- March 19, 2015
- Operation
- Air carrier
- Aircraft
- N512AS
- Make and model
- Boeing 737890
- Aircraft serial
- 39043
- Aircraft time
- 25,248 hours, 7,732 cycles
- System (JASC)
- 4940 · APU Start/Ignition System
- Part
- Exciter
- Part number
- 38880587
- Part serial
- 086971100163
- Condition
- Failed
- Location
- Apu
- Part time
- 5,958 hours, 10,497 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.