# SDR AALA20120211TUL02

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2012
- Submitted: February 15, 2012
- Operation: Air carrier
- Aircraft: [N990AN](https://openairdocs.org/aircraft/N990AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29563
- Aircraft time: 8,503 hours, 3,182 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Low
- Location: Apu
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20120211TUL02

## Discrepancy

SDF - INFLIGHT MIA-DTW.  CREW REPORTED AUXILIARY POWER UNIT AUTO SHUTDOWN AND LEFT ENGINE GENERATOR ON MEL.  EMERGENCY DECLARED FLIGHT DIVERTED SDF LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOUND APU OIL QUANTITY LOW.  SERVICED APU OIL TO FULL AND OPERATED WITH NO FAULTS.  SYSTEM GROUND CHECK NORMAL OPERATION.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.