What was found
PSP - INFLIGHT LAX-ORD. AUXILIARY POWER UNIT FAILED IN FLIGHT AUTO SHUTDOWN. EMERGENCY DECLARED, RETURNED TO LAX WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AUXILIARY POWER UNIT.
- Difficulty date
- June 12, 2009
- Submitted
- July 2, 2009
- Operation
- Air carrier
- Aircraft
- N9304C
- Make and model
- Doug DC983
- Aircraft serial
- 49530
- Aircraft time
- 60,619 hours, 30,419 cycles
- System (JASC)
- 4920 · APU Core Engine
- Part
- Apu
- Part number
- AAP3702A
- Part serial
- P3059
- Condition
- Failed
- Location
- Apu Bay
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.