As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN CABIN & LAVATORY, OIL SMELL. LAVATORY SMOKE INDICATOR ON EICAS. PERFORMED ETN-EM-72-034 ENG ODOR EVENT. TROUBLESHOOTING SUPPLEMENT. FOUND SMOKE SMELL ASSOCIATED WITH NR 1 ENG. PERFORMED BORESCOPE OF NR 1 ENG FLOW PATH EXTENSION IAW ETN-EM-79-014. FOUND OIL WETTING OF BOLT HEADS. ENG REQUIRES REPLACEMENT IAW ITEM NR 3 BELOW.