What was found
(CAN) LEFT WING ANTI-ICE VALVE FAILED TO CLOSE WHEN SELECTED "OFF". INVESTIGATION FOUND "BUTTEFLY" TURNING ON SHAFT DUE TO STRIPPED SPLINES.
- Difficulty date
- November 20, 2015
- Submitted
- April 22, 2016
- Operation
- General aviation
- Make and model
- Piagio P180
- Aircraft time
- 2,068 hours
- Engine
- Pwa PT6A66
- System (JASC)
- 3010 · Airfoil Anti/De-ice System
- Part
- Anti-Ice Valve
- Part number
- BYLB51824
- Condition
- Malfunctioned
- Location
- Lt Wing
- Part time
- 2,059 hours
- Stage of operation
- LD
- 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.