# SDR CALA2013111292848

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 2013
- Submitted: November 14, 2013
- Operation: Air carrier
- Aircraft: [N821UA](https://openairdocs.org/aircraft/N821UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 944
- Aircraft time: 51,251 hours, 20,615 cycles
- Engine: Iae V2522A5
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: NR
- 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/CALA2013111292848

## Discrepancy

POWER INTERMITTENT WHILE ON APU GEN.  PLACED APU GEN ON MEL DUE TO HISTORY.  APU GEN SWITCH OFF.  REPLACED APU GCU IAW AMM, CHECKED GOOD THROUGH CFDS.

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