# SDR CA111208010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2011
- Submitted: September 14, 2015
- Operation: General aviation
- Make and model: Robsin R44RAVENII
- Aircraft time: 2,245 hours
- Engine: Lyc IO540AE1A5
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Clutch
- Part number: C0183
- Condition: Failed
- Location: Main Rotor
- Part time: 364 hours
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA111208010

## Discrepancy

(CAN) PILOT NOTED A SUDDEN YAW MOVEMENT IN FLIGHT AND MECHANICAL NOISE.  CLUTCH ASSEMBLY REPLACED.

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