As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GOVERNOR WAS REMOVED DURING CRANKCASE REPAIR. GOVERNOR DRIVE GEAR TEETH WERE WORN AWAY 75 PERCENT. GOVERNOR DRIVEN GEAR INTERNAL SPLINES WERE WORN 25 PERCENT. FUEL PUMP SPLINES ON SAME GEAR WERE NOT WORN. CAMSHAFT WAS WORN .025 INCH ON DIAMETER THAT PN 629588 GOVERNOR DRIVE GEAR RIDES ON, KEY AND KEYWAYS WERE ALSO WORN.