# SDR ASAA2015091113005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 11, 2015
- Submitted: September 15, 2015
- Operation: Air carrier
- Aircraft: [N513AS](https://openairdocs.org/aircraft/N513AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35192
- Aircraft time: 26,655 hours, 8,144 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Low
- Location: Apu
- Stage of operation: TX
- 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/ASAA2015091113005

## Discrepancy

MAINT LIGHT ON APU ILLUMINATED AFTER APU STARTED.  ACFT GROUNDED.  FOUND APU OIL 1 QT LOW.  SERVICED APU OIL REF AMM 12-13-31.  GROUND VERIFICATION CHECK OF APU GOOD.  NO BLUE MAINTENANCE LIGHT ON START UP.

---
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.