# SDR HALA2012030200095

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2012
- Submitted: March 5, 2012
- Operation: Air carrier
- Aircraft: [N592HA](https://openairdocs.org/aircraft/N592HA), registered now
- Make and model: Boeing 767-3CB
- Registry model: [Boeing 767-3CB](https://openairdocs.org/model/boeing-767-3cb) (OpenAirDocs)
- Aircraft serial: 33468
- Aircraft time: 34,454 hours, 6,439 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Filter
- Condition: Bypassing
- Location: Apu Scav Oil
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2012030200095

## Discrepancy

"APU FAULT" DISPLAYED ON FIRST START WHICH WAS UNSUCCESFUL.  "APU FAULT" EXTINGUISHED AND SECOND START WAS NORMAL.  BITE CHECKED APU CONTROL BOX.  FOUND LOW OIL PRESSURE FAULT.  FOUND OIL FILTER BYPASS INDICATOR OUT.  R & R OIL SCAVENGE FILTER.  LEAK AND OPS CHECKED OK.

---
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.
