# SDR DALA2016082106147

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2016
- Submitted: August 22, 2016
- Operation: Air carrier
- Aircraft: [N810NW](https://openairdocs.org/aircraft/N810NW), registered now
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0674
- Aircraft time: 51,561 hours, 6,749 cycles
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Condition: Failed
- Location: Apu
- Stage of operation: CR
- 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/DALA2016082106147

## Discrepancy

FAILED APU COLD SOAK START,  APU STARTED ON THE FIRST ATTEMPT, BUT DID AN AUTO SHUTDOWN,  APU WOULD NOT LIGHT OFF ON ALL 3 ATTEMPTS.  REPLACED THE IGNITION EXCITER.

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