As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT PROPELLER CONTROL ROD ATTACHMENT BOLT SPLIT PIN TAIL FOULING ON POWER LEVER CONTROL ROD RODEND LOCKNUT LOCKWIRING. THIS CAUSED THE LT PROPELLER CONTROL LEVER TO STICK AND THE LT POWER LEVER TO MOVE THE PROPELLER CONTROL LEVER WAS MOVED.