As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT MADE AN EMERGENCY LANDING FOLLOWING SUDDEN ENGINE FAILURE DURING CRUISE FLIGHT. UPON INSPECTION, THE CRANKSHAFT GEAR HAD 5 OR 6 TEETH MISSING AND THE REMAINING TEETH WERE ROUNDED AND EXHIBITED GALLING-LIKE DAMAGE SIMILAR TO THAT FOUND ON THE MAGNETO DRIVE GEARS. ALSO THERE WAS SOME GOUGING IN THE REAR HOUSING AREA, ADJACENT TO THE CRANKSHAFT GEAR. AN ENGINE OVERHAUL WAS COMPLETED DURING THE LAST ANNUAL INSPECTION ON 2/5/2000, AND SINCE HAD ACCUMULATED ONLY 25.3 HOURS. (X)