What was found
PILOT VALVE AND DRIVE GEAR INSIDE GOVERNOR BECAME BOUND-UP CAUSING LOSS OF CONTROL OF THE UNIT. CAUSE OF PILOT VALVE AND GEAR FAILURE HAS NOT BEEN IDENTIFIED.
- Difficulty date
- March 4, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N3590N
- Make and model
- Piper PA31350
- Aircraft serial
- 318052148
- System (JASC)
- 6122 · Propeller Governor
- Part
- Drive Gear
- Part number
- 104171
- Condition
- Failed
- Location
- Prop Governor
- Component
- Hartzl · F624L2
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.