# SDR 2017FA0000332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 20, 2017
- Submitted: August 3, 2017
- Operation: General aviation
- Aircraft: [N307FM](https://openairdocs.org/aircraft/N307FM), registered now
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Aircraft serial: 421C0323
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Alternator
- Part number: ALV9610
- Part serial: HN0051196
- Condition: Failed
- Location: Left
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2017FA0000332

## Discrepancy

NEW ALTERNATOR BEARINGS SEIZED AND SHEARED SHAFT.  THIS IS ONE OF THREE WITH UNDER 300 HOURS SINCE NEW.

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