As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON RECEIPT OF THE ENGINE AFTER INTERNAL REPAIRS CARRIED OUT BY HONEYWELL GREER, NUMEROUS MINOR OIL LEAKS WERE DETECTED AND REPAIRED BEFORE REINSTALLING THE ENGINE INTO THE AIRFRAME. HOWEVER, ON REMOVAL OF THE TORQUE METER COVER TO REPAIR AN OIL LEAK, IT WAS DISCOVERED THAT O-RING, HAD BEEN OMITTED ON REASSEMBLY HENCE THE OIL LEAK.