As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) AT ENGINE OVERHAUL THE FOLLOWING WAS FOUND: 1. CRANKCASE GOVERNER IDLER GEAR BUSHING HEAVILY WORN 2. CRANKSHAFT GEAR LOCK BOLT HAD SNAPPED IN THE CRANKSHAFT AND THE GEAR HAD DAMAGED THE DOWEL HOLE - ALSO DAMAGED WERE THE CRANKSHAFT GEAR AND IDLER GEARS 3. CAMSHAFT LOBES DAMAGED ENGINE CAME FROM A PNG REGISTERED AIRCRAFT