As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PROPELLER WOULD NOT FEATHER ON SHUTDOWN AFTER LANDING. THE FEATHERING SOLENOID IS ATTACHED TO THE OVERSPEED GOVERNOR. R & R OF OVERSPEED GOVERNOR AND ALL ASSOCIATED TESTS WERE ACCOMPLISHED TO RECTIFY THIS SITUATION. NO OTHER DEFECTS WERE NOTED WITH THE FEATHERING SYS.