# SDR ASAA11510718

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2011
- Submitted: November 29, 2011
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 20,175 hours, 6,291 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Indicator
- Part number: 38810521
- Condition: Defective
- Location: Apu
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA11510718

## Discrepancy

REF TASK CARD NUMBER 78349013 APU OIL FILTER DELTA P INDICATOR EXTENDED.  ACCOMPLISHED OIL FILTER DELTA P INDICATOR SERVICING REF TASK 49 91 13 NO CONTAMINATION NOTED ON EITHER MAGNETIC DRAIN PLUG OR OIL FILTER ELEMENT.  REPLACED DELTA P INDICATOR.  WOULD NOT RESET.  OPS AND LEAK CHECK GOOD REF AMM 49 91 13.

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