# SDR UALA2012042302435

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2012
- Submitted: May 25, 2012
- Operation: Air carrier
- Aircraft: [N473UA](https://openairdocs.org/aircraft/N473UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 1469
- Aircraft time: 36,552 hours, 15,053 cycles
- Engine: Iae V2527A5
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Igniter
- Condition: Failed
- Location: Apu
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2012042302435

## Discrepancy

APU HANGS BELOW 20 PERCENT WITH NO EGT RISE DURING ACCELERATION.  REPLACED IGNITER PLUGS PER MM.

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