As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CRANKSHAFT IDLER GEAR SHAFT BOSS AT THE CRANKCASE AND THE CRANKSHAFT IDLER GEAR SHAFT BOSS AT THE ACCESSORY CASE FAILED. RESULTING IN MEDAL IN OIL SCREEN AND OIL FILTER AND A LOSE IN OIL PRESSURE. IT IS BELIEVED THAT THE CRANKCASE BOSS FAILED FIRST. THIS IS THE SECOND TIME THIS FAILURE HAD OCCURED, THE FAILURES ON CRANKCASE WERE BOTH CERTIFIED BY A WELL KNOWN REPAIR STATION.