# SDR COEA2017032101805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 21, 2017
- Submitted: March 22, 2017
- Operation: Air carrier
- Aircraft: N805HC
- Make and model: Aerosp ATR42-500
- Registry model: [Aerosp ATR42-500](https://openairdocs.org/model/aerospatiale-alenia-atr42-500) (OpenAirDocs)
- Aircraft serial: 625
- Aircraft time: 22,706 hours, 26,929 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Generator
- Part number: 200322
- Part serial: 1975
- Condition: Failed
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA2017032101805

## Discrepancy

CREW RECEIVED A NR 1 ACW FAULT DURING CLIMB OUT. ELECTED TO RETURN TO DEPARTURE, NO EMERGENCY DECLARED.   REPLACED THE NR 1 ACW GENERATOR.

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