# SDR CA090130009

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 20, 2008
- Submitted: March 5, 2009
- Operation: General aviation
- Make and model: Bell 206B
- Registry model: [Bell 206B](https://openairdocs.org/model/bell-206b) (OpenAirDocs)
- Aircraft time: 12,354 hours
- Engine: Allsn 250C20
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Clutch
- Part number: CL422501
- Condition: Malfunctioned
- Location: Freewheel Unit
- Part time: 10,521 hours
- Stage of operation: LD
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA090130009

## Discrepancy

ON RUNDOWN OF HELICOPTER PILOT NOTED N2 AND M/R RPM LOCKED UP.  INVESTIGATED AND FOUND CLUTCH ASSY WAS NOT DISENGAGING.  REMOVED AND REPLACED WITH FREE WHEEL ASSY PN206-040-270-003 TSN 11046.6 TSO 0.0HRS.  CLUTCH CL42250-1 TSN0.0 HRS.  SENT DAMAGED ASSEMBLY IN FOR OVERHAUL. OVERHAUL SHOP REPORTED BACK THAT THE BEARINGS WERE GONE.

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