As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RIGHT ENGINE WAS SHUTDOWN IN FLIGHT DUE TO LOSS OF OIL PRESSURE WITH INDICATION LOW PRESSURE LIGHT ON. *S/D* MAIN OIL PUMP DRIVE SHAFT GEAR TEETH FAILED. ENGINE REMOVED. REPLACED ALL ENGINE BEARINGS, DRIVE SHAFT AND MATING GEAR IN THE MAIN GEAR ASSEMBLY.