# SDR ASAA2013010693625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 2013
- Submitted: January 8, 2013
- Operation: Air carrier
- Aircraft: [N506AS](https://openairdocs.org/aircraft/N506AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35690
- Aircraft time: 17,539 hours, 5,566 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Overserviced
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: W
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013010693625

## Discrepancy

APU AUTO SHUTDOWN, NO FAULT LIGHT ILLUMINATED.  ATTEMPTED SECOND START APU FAULT LIGHT ILLUMINATED.  PERFORMED BITE CHECK OF APU TEST 49-60 / 801, NO FAULTS.  INSPECTED APU FOUND OIL QUANTITY OVERSERVICED.  INSPECTED MAGNETIC CHIP PLUG REF AMM47-91-81, NO FAULTS FOUND.  ATTEMPTED THIRD START AND START NORMAL.  ACFT 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.