As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE NR 3 OIL QUANTITY DROPPED TO 1.5 GALLONS. ENGINE OIL TEMPERATURE WAS 90 DEGREES, OIL PRESSURE WAS 44 AND OIL QUANTITY CONTINUED TO DROP TO .5 GALLONS. TEMPERATURE BEGAN TO RISE AND PRESSURE BEGAN TO DROP, EXECUTED A PRECAUTIONARY SHUTDOWN. FOUND O-RING ON CSD FRONT FLANGE LEAKING. REINSTALLED CSD ASSEMBLY IAW MM. OPERATIONAL AND LEAK CHECK OF CSD NORMAL.