# SDR 97ZZZX481

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 6, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N762FE](https://openairdocs.org/aircraft/N762FE), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 208B0255
- System (JASC): [2434 · DC Generator-Alternator](https://openairdocs.org/jasc/2434)
- Part: Drive
- Part number: 26012717
- Condition: Failed
- Location: Stdby Alternator
- Part time: 351 hours
- Component: C6115050201
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX481

## Discrepancy

PILOT REPORTED WHILE EN ROUTE, STAND-BY POWER OFF LIGHT ILLUMINATED.  THE STAND-BY ALTERNATOR POWER WAS CHECKED AND STAND-BY POWER DID NOT COME ON LINE.  MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT AND CONFRIMED STAND-BY POWER FAILURE.  THE STAND-BY ALTERNATOR SYSTEM WAS INSPECTED AND FOUND THE ALTERNATOR DRIVE SHAFT FAILED AT THE SHEAR POINT.  THE STAND-BY ALTERNATOR DRIVE ASSEMBLY WAS REPLACED AND THE STAND-BY POWER SYSTEM WAS FUNCTIONALLY CHECKED AND NO DISCREPANCIES WERE FOUND.  THE AIRCRAFT WAS RETURNED TO SERVICE.

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