As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND EXCESSIVE OIL BAKED ON TO EXHAUST NOZZLE OF NR 2 ENGINE DURING ETOPS INSP. FURTHER INSPECTION REVEALED OIL MAYBE COMING FROM NR 5 BEARING SCAVENGE LINE. REPLACED O-RING AT NR 5 BEARING SCAVENGE LINE COUPLING TO NR 5 BEARING COMPARTMENT. RAN ENGINE FOR LEAK CHECK.