# SDR ASAA2014021606864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2014
- Submitted: February 19, 2014
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43255
- Aircraft time: 1,310 hours, 445 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Warning Message
- Condition: False Activation
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014021606864

## Discrepancy

"BLUE" MAINTENANCE LIGHT ILLUMINATED, ON APU PANEL.  ACFT GROUNDED.  PERFORMED FIM TASK 49-90, TASK 804.  OPS CHECKED NORMAL, LOW OIL QTY-FAULT ISOLATION.  APU OIL LEVEL FULL.  NO MAINTENANCE MESSAGE AT CURRENT STATUS CDU.

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