# SDR AUS20020414

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2002
- Submitted: June 13, 2002
- Operation: Air carrier
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Engine: Allsn 250C47B
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Bolt
- Condition: Failed
- Location: Driveshaft
- Part time: 1,127 cycles
- Component: Driveshaft
- Component part number: 206340300105
- Stage of operation: CR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AUS20020414

## Discrepancy

(AUS) MAIN DRIVESHAFT, FLEXOR BOLT MISSING. INVESTIGATION FOUND THAT THE BOLT HAD FRACTURED INTO TWO PIECES.

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