As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED MINOR DIFFICULTY IN MAINTAINING A CONSTANT: RPM SELECTION, RPM WOULD WANDER +/- 50 RPM (RT SIDE. PROPS NEW. CONTROL LINKAGE AND GOVERNORS INSPECTED, NIL DEFECTS FOUND. GOVERNOR SENT TO O/H SHOP FOR REPAIR. O/H SHOP STATES BEARING DESTROYED. HOUSING, BODY, BASE IDLER AND DRIVE GEARS ALL DAMAGED DUE TO FAILED BEARING. PARTS AVAILABLE AT THE FACILITY. GOVERNOR REPLACED WITH O/H UNIT.