# SDR FFKA2005106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 19, 2005
- Submitted: November 9, 2005
- Operation: Air carrier
- Aircraft: [N11HW](https://openairdocs.org/aircraft/N11HW), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH271
- Aircraft time: 12,677 hours
- Engine: Cont IO520*
- Engine time: 1,874 hours
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Hub
- Part number: 646655A1
- Condition: Sheared
- Location: Zone 400
- Part time: 511 hours
- Component: Alternator
- Component part number: ALT9522
- Stage of operation: CL
- How discovered: V
- Nature of condition: Y, F, P
- Precautionary procedure: A, E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FFKA2005106

## Discrepancy

ALTERNATOR HUB ASSEMBLY SHEARED (DESIGNED TO DO THIS) AND/OR BECAME OBLONG AND THEN SHEARED THE SHAFT OF THE ALTERNATOR ALLOWING IT TO COME IN CONTACT WITH THE CRANKSHAFT AND CONTAMINATING THE OIL WITH METAL.

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