As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE OIL QUANTITY DECREASED FROM 15 TO 7 QUARTS. AFTER LANDING THERE WAS SMOKE AND A SMALL FIRE FROM THE EXHAUST AREA. EXCESSIVE COKING OF THE NR 5 BEARING COMPARTMENT OIL SCAVENGE LINE CAUSED OVER PRESSURIZATION OF THE COMPARMENT. OIL WAS FORCED PASS THE NR 5 CARBON SEAL AND INTO THE EXHAUST GAS PATH. ESCAPED OIL IN THE TEC FLASHED AFTER ENGINE SHUT DOWN. REPLACED OIL SCAVENGE LINE.