# SDR ASAA2016080517627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2016
- Submitted: August 8, 2016
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 8,004 hours, 2,627 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Indicator
- Part number: 38809381
- Condition: Defective
- Location: Apu
- Stage of operation: TX
- 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/ASAA2016080517627

## Discrepancy

APU FILTER DPI FOUND EXTENDED DURING PDC WALKAROUND.  ACFT GROUNDED. REF AMM 49-91-13 INSPECTED APU LUBE FILTER ELEMENT AND FOUND DPI INDICATOR EXTENDED.  REMOVED FILTER AND INSPECTED NO DEFECTS NOTED.  MAGNETIC PLUG CLEAN.  REPLACED FILTER.  LEAK CHECK OF APU CHECKS OK.

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