# SDR CALA2013082890808

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2013
- Submitted: August 28, 2013
- Operation: Air carrier
- Aircraft: N423UA
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 504
- Aircraft time: 64,100 hours, 24,289 cycles
- Engine: Iae V2527A5
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Exciter
- Part number: 4950000
- Part serial: J13010163
- Condition: Faulty
- Location: Apu
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013082890808

## Discrepancy

AUXILIARY POWER UNIT WILL NOT START.  R & R AUXILIARY POWER UNIT IGNITER BOX.  R & R AUXILIARY POWER UNIT PLUGS.   R & R AUXILIARY POWER UNIT IGNITER PLUG LEADS, OPERATIONS CHECKED NORMAL.

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