# SDR ASAA2016071717408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 17, 2016
- Submitted: July 19, 2016
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 13,507 hours, 4,325 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Filter
- Part number: 7590361101
- Condition: Damaged
- 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/ASAA2016071717408

## Discrepancy

APU OIL FILTER RED INDICATOR FOUND MISSING.  ACFT GROUNDED.  REMOVED AND REPLACED APU OIL FILTER INDICATOR AND FILTER ELEMENT IAW AMM 49-91-12. LEAK CHECKED GOOD, NO DEFECTS NOTED.

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