As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF NR 2 ENGINE OIL QUANTITY DROPPED FROM 9.1 GAL TO 4 GAL AND WAS DECREASING. SHUT NR 2 ENGINE DOWN. ENGINE WINDMILLED FOR ONE HOUR. OIL PRESSURE STAYED AT 35 PSI UNTIL THE LAST 15-20 MINUTES THEN DROPPED TO 11-15. REPLACED OIL PRESSURE RELIEF VALVE.