What was found
(CAN) DURING GROUND RUN AND PRE-TAKEOFF CHECKS, THE CLUTCH FAILED TO ENGAGE. SWITCH V3-1001 IS SPRING LOADED AND BREAKS AND THE CLUTCH WILL NOT ENGAGE. THESE SWITCHES ARE A WEAK PART OF THE SYSTEM. (TC NR 20070411004)
- Difficulty date
- April 8, 2007
- Submitted
- November 3, 2008
- Operation
- General aviation
- Make and model
- Robsin R44RAVENII
- Aircraft time
- 833 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6310 · Engine/Transmission Coupling
- Part
- Switch
- Part number
- V31001
- Condition
- Unserviceable
- Location
- Clutch Assy
- Part time
- 507 hours
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.