What was found
(CAN) ON THE TAKE-OFF ROLL THE LT ENGINES PROP WOULDN''T EXCEED 1300 RPM. THE PROBLEM WAS FOUND TO BE A DIRTY HYDRAULIC TOPPING GOVERNOR VALVE. THE UNIT WAS CLEANED AND RETURNED TO SERVICE.
- Difficulty date
- December 2, 1999
- Submitted
- January 19, 2001
- Operation
- Air carrier
- Make and model
- Piper PA31T2
- Aircraft time
- 10,705 hours
- Engine
- Pwa PT6A135
- System (JASC)
- 6122 · Propeller Governor
- Part
- Valve
- Part number
- 1310511
- Condition
- Contaminated
- Location
- Prop Governer
- Part time
- 1,500 cycles
- Component
- Prop Governer · Woodward · 8210003
- Stage of operation
- TO
- How discovered
- O
- Nature of condition
- E
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.