# SDR 2001F00620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2001
- Submitted: November 5, 2001
- Operation: Air carrier
- Aircraft: N617AL
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53265
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Shaft
- Part number: 406040516101
- Part serial: AFS1345
- Condition: Worn
- Location: Freewheel Unit
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2001F00620

## Discrepancy

AT OVERHAUL, DRIVE SPLINES WORN BELOW MINIMUM LIMITS.  (M)

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