# SDR UALA2011080103923

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2011
- Submitted: August 3, 2011
- Operation: Air carrier
- Aircraft: [N663UA](https://openairdocs.org/aircraft/N663UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 27160
- Aircraft time: 78,779 hours, 12,777 cycles
- Engine: Pwa PW4060
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Ignition Sys
- Part number: 106170756
- Part serial: 258
- Condition: Failed
- Location: Apu
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011080103923

## Discrepancy

APU WILL NOT START.   REPLACED IGNITION UNIT.

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