# SDR ASAA0852908

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2008
- Submitted: May 7, 2008
- Operation: Air carrier
- Aircraft: [N579AS](https://openairdocs.org/aircraft/N579AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35187
- Aircraft time: 4,712 hours, 1,423 cycles
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Apu
- Part number: 38007021
- Part serial: P7443
- Condition: Leaking
- Part time: 4,712 hours, 1,423 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA0852908

## Discrepancy

DURING TROUBLESHOOTING FOR SOURCES OF CABIN ODOR FOUND APU LOAD COMPRESSOR WITNESS HOLE TO HAVE OIL.  OIL WAS PRESENT ABOVE CHECK VALVE ALSO.  REPLACED APU.  OP & LEAK CHECKS GOOD.

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