# SDR COEA2014101002805

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2014
- Submitted: October 14, 2014
- Operation: Air carrier
- Aircraft: [N805FX](https://openairdocs.org/aircraft/N805FX), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 372
- Aircraft time: 34,674 hours, 38,113 cycles
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Sensor
- Part number: 1030032SM400D41
- Condition: Faulty
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COEA2014101002805

## Discrepancy

FLIGHT BLOCKED OUT, ONCE AIRBORNE, THE MASTER CAUTION ILLUMINATED WITH THE NR 1 DC GEN FAULT.  THE CREW ELECTED TO RETURN, NO EMER WAS DECLARED.  REPLACED THE HOT HALL EFFECTS SENSOR & NR 1 ENG DC GEN CONTACTOR.  OPERATIONS CHECKED GOOD.  ACFT RETURNED TO SERVICE.

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