# SDR CA100805015

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2010
- Submitted: March 15, 2011
- Operation: General aviation
- Make and model: Robsin R44RAVENII
- Aircraft time: 1,867 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
- Stage of operation: CR
- How discovered: O
- Nature of condition: E
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA100805015

## Discrepancy

THE PILOT REPORTED A LOUD BANG AND A MOMENTARY YAW WHILE IN CRUISE FLIGHT.  THE CLUTCH ASSY WAS REPLACED.

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