As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE LEFT PROPELLER RPM DECAYED UNCOMMANDED TO FEATHER AT 1000` AGL. THE FAILURE OCCURRED AS THE POST TAKE OFF POWER REDUCTION WAS PERFORMED. THE CREW WAS UNABLE TO RECOVER THE PROPELLER TO NORMAL RPM AND, THEREFORE, THE PILOT SHUT DOWN AND SECURED THE LH ENGINE. THE SINGLE ENGINE APPROACH AND LANDING WAS COMPLETED UNEVENTFULLY. PRIOR TO FAILURE, THIS GOVERNOR HAD BEEN RE-INSTALLED AFTER OVERHAUL.