As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR1 ENG OIL LOSS. ACP OIL SERVICE FOR NR1 ENG BETWEEN 0.5 AND 1.5 HOUR AFTER ENGINE SHUTDOWN (ON ARRIVAL). ONCE AMOUNT OF OIL ADDED IS DETERMINED NEED TO ACCOMPLISH OIL SVC ASAP. SERVICED NR1 ENG OIL. 15 QUARTS ADDED. REPLACED NR 1 ENG NR 4 BEARING COMPARTMENT COVER & O-RING PER MM. IDLE LEAK CHECKED, NO LEAKS NOTED.