# SDR 2000UALA00277

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 21, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N805UA](https://openairdocs.org/aircraft/N805UA), registered now
- Make and model: Airbus A319-131
- Registry model: [Airbus A319-131](https://openairdocs.org/model/airbus-industrie-a319-131) (OpenAirDocs)
- Aircraft serial: 783
- Aircraft time: 8,673 hours, 3,087 cycles
- Engine: Iae V2522A5
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Gcu
- Part number: 740120C
- Part serial: 4232
- Condition: Failed
- Location: Nr 2 Gen
- Part time: 8,673 hours, 3,087 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2000UALA00277

## Discrepancy

APPROX 15 MINS AFTER TAKEOFF, AC LOST NR 2 ELECTRICAL GENERATOR.  APU WAS INEFFECTIVE IN POWERING ESSENTIAL SYSTEMS ON THE PLANE, SO CAPT ELECTED TO RETURN TO DEN FOR REPAIRS.  *S/D*  REPLACED GENERATOR LINE CONTACTOR NR 2 (GLC2) AND NR 2 GENERATOR CONTROL UNIT (GCU).

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