# SDR ASAA2012120993428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2012
- Submitted: December 11, 2012
- Operation: Air carrier
- Aircraft: [N403AS](https://openairdocs.org/aircraft/N403AS), registered now
- Make and model: Boeing 737990
- Aircraft serial: 41730
- Aircraft time: 239 hours, 97 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil System
- Condition: Low
- Location: Apu
- Component: Apu
- Component part number: 38007021
- Stage of operation: IN
- How discovered: V
- Nature of condition: W, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012120993428

## Discrepancy

APU MAINTENANCE LIGHT ILLUMINATED. MAINTENANCE MESSAGE- 49-91227 LOW OIL QUANTITY.  SERVICED APU OIL TO FULL IAW AMM TASK 12-13-31.  BITE CHECK IAW 49-60 TASK 801 SHOWS NO MESSAGES.

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