As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 8744, ENROUTE GEG - YKM - DISCREPANCY: AIRCRAFT LOST OIL PRESSURE AND ENGINE TORQUE IN FLIGHT. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT LANDED SAFELY. ONCE ON THE GROUND THE PILOT REPORTED OIL ALL OVER THE ENGINE COWLING AND WINDSHIELD. ENGINE REPLACEMENT.