What was found
LOUD BANG HEARD COMING FROM APU FOLLOWED BY APU AUTO SHUT DOWN. FAULT LIGHT ILLUMINATED. DID NOT TRY RESTART FLAMES AT TAILPIPE. R & R THE APU IAW MCM 49-94-11. OPS CHECK AND LEAK CHECK GOOD.
- Difficulty date
- June 1, 2017
- Submitted
- June 5, 2017
- Operation
- Air carrier
- Aircraft
- N931AN
- Make and model
- Boeing 737823
- Aircraft serial
- 30079
- Aircraft time
- 52,096 hours, 21,012 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- 351A10001
- Part serial
- P5426
- Condition
- Failed
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- A
- Precautionary procedure
- H
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.