# SDR ASAA2016121419034

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2016
- Submitted: December 16, 2016
- Operation: Air carrier
- Aircraft: [N435AS](https://openairdocs.org/aircraft/N435AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 43292
- Aircraft time: 12,605 hours, 4,127 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Warning Light
- Condition: False Activation
- Location: Apu Oil
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016121419034

## Discrepancy

DURING MAINTENANCE TOW, BLUE APU MAINT LIGHT ILLUMINATED.  ACFT GROUNDED. IAW FIM 49-60 TASK 801, PERFORMED APU BITE, FOUND MAINT MESSAGE 49-91227 LOW OIL QTY, IAW AMM 12-13-31-200-801. INSPECTED APU OIL LEVEL, APU OIL QTY WAS FOUND TO BE FULL, NO SERVICING REQUIRED. CHECKED APU BITE, NO CURRENT MAINTENANCE MESSAGES FOUND, INTERMITTENT FAULT. BLUE MAINT LIGHT EXTINGUISHED.

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