# SDR ASAA2014013106744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2014
- Submitted: February 3, 2014
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 3,519 hours, 1,110 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Warning Light
- Condition: Illuminated
- Location: Apu
- Stage of operation: TX
- 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/ASAA2014013106744

## Discrepancy

APU "MAINT" LIGHT ILLUMINATED.  ACFT GROUNDED.  ACCOMPLISHED FIM TASK 49-90-804.  NO DEFECTS OR FAULTS LOGGED. SUSPECT IMPROPER SHUTDOWN OF APU.

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