# SDR BOO2007F00001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 31, 2007
- Submitted: August 3, 2007
- Operation: Air carrier
- Aircraft: [N827TS](https://openairdocs.org/aircraft/N827TS), registered now
- Make and model: Beech 58
- Registry model: [Beech 58](https://openairdocs.org/model/beech-58) (OpenAirDocs)
- Aircraft serial: TH836
- Engine: Cont IO520C
- System (JASC): [8520 · Reciprocating Engine Power Section](https://openairdocs.org/jasc/8520)
- Part: Gear
- Part number: 536421
- Condition: Worn
- Location: Crackshaft
- Part time: 1,376 hours
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/BOO2007F00001

## Discrepancy

CRANK SHAFT GEAR FAILURE.  GEAR TEETH WORN OUT (.5) WIDTH CAUSED ENGINE FAILURE WHEN DRIVEN GEAR LOST CONTACT.  (K)

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