# SDR CA050426002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2005
- Submitted: May 2, 2005
- Operation: General aviation
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft time: 25,329 hours
- Engine: Pwa PW120
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Sensor
- Part number: 10300311
- Condition: Failed
- Location: Nr 2 Dc Gen
- Component: Genera, Auxilec
- Stage of operation: CR
- 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/CA050426002

## Discrepancy

(CAN) AFTER DEPARTING YZF, THE NR 2 DC GENERATR WENT OFF LINE AND THE AIRCRAFT RETURNED TO POINT OF DEPARTURE.  MAINTENACE DETERMINED THE NR 2 HALL EFFECT SENSOR HAD FAILED.  THE UNIT WAS REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE AFTER SATISFACTORY FUNCTION TEST.

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