# SDR ASAA2018101026435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 8, 2018
- Submitted: October 10, 2018
- Operation: Air carrier
- Aircraft: [N468AS](https://openairdocs.org/aircraft/N468AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41735
- Aircraft time: 17,093 hours, 5,693 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Unknown
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018101026435

## Discrepancy

APU OVERSPEED LT ILLUMINATED DURING APU START APU FAILED TO START LT WENT OUT AFTER 5 MINUTES. GROUNDED - YES. STARTED APU, NO DEFECTS NOTED. NO HISTORY WITHIN 30 DAYS. BITE APU. FAULT CODE 49-31014. A/C OK FOR SERVICE.

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