# SDR ASAA2013043094658

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2013
- Submitted: May 2, 2013
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 351 hours, 114 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Warning Light
- Condition: False Activation
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013043094658

## Discrepancy

BLUE MAINTENANCE LIGHT ILLUMINATED ON APU.  MAINTENANCE MESSAGE 49-91227. LOW OIL QUANTITY.  ACFT GROUNDED.  PERFORMED FIMM TASK 49-90 TASK 804.  CURRENT STATUS SHOWS NO FAULTS. FAULT CLEARED.  VISUALLY INSPECTED OIL QTY.  CHECKS FULL. IAW FIM THERE WAS AN INTERMITTENT FAULT.  OPERATED APU. GROUND VERIFICATION SUCCESSFUL.

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