# SDR ASAA1058338

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2010
- Submitted: October 11, 2010
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 12,956 hours, 4,084 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Indicator
- Part number: 38810521
- 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/ASAA1058338

## Discrepancy

WHILE ACCOMPLISHING T/C 78349013 FOUND APU OIL FILTER DPI EXTENDED AND DAMAGED.  REMOVED AND REPLACED OIL DPI AND FILTER REF MM 49 91 13.  OLD FILTER SHOWED NO INDICATION OF CONTAMINATION OR CLOGGING.  RAN APU LEAK CHECKS GOOD.  APU OK FOR SERVICE.

---
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.
