As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE SHOWING 8 QTS OF OIL IN FLIGHT. NOTICED A STRONG OIL ODOR ON DECENT. ACFT REMOVED FROM SERVICE. INSPECTED NR 1 ENGINE AND IT SHOWED SIGNS OF AN OIL LEAK. REMOVED AND REPLACED CARBON SEAL ASSEMBLY IAW AMM 72-25-25. NO LEAKS OR ODORS NOTED. AIRCRAFT RETURNED TO SERVICE.