What was found
IN FLIGHT, ENGINE WAS PRONE TO OVERSPEED AND UNDERSPEED. GOVERNOR MOTOR WAS FOUND TO BE INTERMITTENT.
- Difficulty date
- June 3, 2009
- Submitted
- October 23, 2009
- Operation
- General aviation
- Make and model
- Robsin R44RAVENII
- Aircraft time
- 1,984 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 7323 · Turbine Governor
- Part
- Motor
- Part number
- B2475
- Condition
- Intermittent
- Location
- Governor
- Part time
- 2,200 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.