# SDR ASAA2013040194317

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2013
- Submitted: April 5, 2013
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 38 hours, 22 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Indication Sys
- Condition: Malfunctioned
- 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/ASAA2013040194317

## Discrepancy

BLUE MAINTENANCE LIGHT ILLUMINATED ON APU.  MESSAGE 49-91227 LOW OIL QTY.  VISUALLY CHECKED OIL QTY AT APU, FOUND FULL.  PERFORMED FIM TASK 49-90-804.  CLEARED FAULT. CURRENT STATUS SHOWS NO FAULTS FOUND.  GROUND VERIFICATION SUCCESSFUL.

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