# SDR AUS20010645

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2001
- Submitted: August 7, 2001
- Operation: General aviation
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Engine: Cont GTSIO520N
- Propeller: Mcauly 3FF32C501
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Bearing
- Condition: Failed
- Location: Dc Generator-Alt
- Component: Dc Generator-Alt, ALV9510R
- Stage of operation: CR
- Nature of condition: H
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20010645

## Discrepancy

(AUS) LH ALTERNATOR. INVESTIGATION FOUND REAR BEARING COLLAPSED CAUSING DRIVE ADAPTER FAILURE AND METAL CONTAMINATION OF THE ENGINE.

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