# SDR ASAA2013051794841

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2013
- Submitted: May 21, 2013
- Operation: Air carrier
- Aircraft: [N508AS](https://openairdocs.org/aircraft/N508AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35691
- Aircraft time: 18,378 hours, 5,746 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Indicator
- Condition: False Indication
- Location: Apu Oil Filter
- 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/ASAA2013051794841

## Discrepancy

APU OIL FILTER INDICATOR FOUND EXTENDED.  ACFT GROUNDED.  RETURNED OIL FILTER TO SERVICABLE CONDITION.  LEAK CK, NO LEAKS NOTED.  OPS CK GOOD.  NO CONTAMINANTS FOUND. REF AMM 49-91-13.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.