As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE NR 1 ENG READING 5 QTS ON ARRIVAL LHR ENG REQUIRED 10 QTS, T/S IN PROGRESS. NR 1 ENGINE LUBE AND SCAVENGE PUMP REMOVED AND REPLACED DUE HIGH OIL CONSUMPTION AND OIL LEAKS FOUND AROUND CORE AREA. PIPING AND CONNECTIONS CHECKED FOR SECURITY. ENGINE OIL SERVICED TO FULL.