What was found
UNCOMMANDED AUTOFEATHER IN FLIGHT ON LAST LEG. POWER LEVERS, AND ALL ENGINE PARAMETERS WERE EQUAL. FOUND SWITCH DIRTY.
- Difficulty date
- February 8, 2013
- Submitted
- April 19, 2013
- Operation
- Air carrier
- Aircraft
- N143SL
- Make and model
- Piagio P180
- Aircraft serial
- 1109
- Aircraft time
- 5,267 hours, 3,953 cycles
- Engine
- Pwa PT6A66
- Engine time
- 9,527 hours, 7,201 cycles
- Propeller
- Hartzl HCE5N3
- System (JASC)
- 6123 · Propeller Feathering/Reversing
- Part
- Switch
- Part number
- CS4025
- Condition
- Dirty
- Location
- Cockpit
- Stage of operation
- AP
- How discovered
- O
- Nature of condition
- R
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.