# SDR AU970360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 4, 1997
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Cessna 421C
- Registry model: [Cessna 421C](https://openairdocs.org/model/cessna-421c) (OpenAirDocs)
- Engine: Cont GTSIO520L
- Propeller: Mcauly 3FF32C501
- System (JASC): [2410 · Alternator-Generator Drive](https://openairdocs.org/jasc/2410)
- Part: Nut
- Part number: 632436
- Condition: Broken
- Location: Dc Gen-Alt Drive
- Component: Prestolite, ALTERNATOR
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AU970360

## Discrepancy

(AUS) ALTERNATOR DRIVE CLUTCH ASSEMBLY SEPARATED FROM ALTERNATOR DUE TO FAILURE OF THE SLOTTED HOLDING NUT - DAMAGE TO ENGINE GEARS AND CRANKCASE ASSEMBLY - METAL CONTAMINATION OF ENGINE

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.