# SDR ASAA1058694

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2010
- Submitted: December 28, 2010
- Operation: Air carrier
- Aircraft: [N557AS](https://openairdocs.org/aircraft/N557AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35176
- Aircraft time: 17,156 hours, 5,056 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Filter Element
- Part number: 38809381
- Condition: Dirty
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA1058694

## Discrepancy

FOUND APU LUBE OIL FILTER INDICATOR POPPED.  REMOVED & REPLACED APU LUBE OIL FILTER ELEMENT.  REF MM 49 91 12.  LEAK CHECK GOOD.

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