As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOW OIL QUANTITY INFLIGHT DOWN TO 1.06 GALS. PRECAUTIONARY SHUT-DOWN. FOUND O-RING FOR MAIN OIL FILTER DAMAGED. REPLACED O-RING RAN ENG AFTER OIL SERVICING, NO LEAKS FOUND. RESERVICED ENGINE AFTER RUN TO TOTAL OF 28 QTS PER MM REF 72-61-05.