As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY SMOKE DURING TAKEOFF ON EICAS. FA SMELLED SMOKE AT ROWS 6. 7. 8. REMOVED AND REPLACED THE RT ENGINE CARBON SEAL IAW MM 72-25-25-400-801. PERFORMED LEAK TEST AT MAX TAKEOFF POWER IAW MM 72-00-00-790-002. LEAK CHECKED GOOD. ENGINE RUNS IAW ETN-EM-79-034 R10. NO FURTHER DEFECTS NOTED.