# SDR ALG2002F00018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2002
- Submitted: April 11, 2002
- Operation: Air carrier
- Aircraft: [N607AL](https://openairdocs.org/aircraft/N607AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53264
- Engine: Allsn 250C47B
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Sprag Clutch
- Part number: 406040580103
- Part serial: FDFS1531
- 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/ALG2002F00018

## Discrepancy

DURING OVERHAUL FOUND, CAGE SLOTS WORN BEYOND MAX. LIMIT, 1 EACH SPRAG BREAKING DOWN ON INNER CAM FACE.  TO PREVENT RECURRENCE: STRONGER ALLOY.

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