As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2379, THE CREW REPORTED A LAV SMOKE INDICATION ON EICAS WITH AN ASSOCIATED SMOKE SMELL ON CLIMBOUT. THE CREW DECLARED AN EMERGENCY AND THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO ENGINE, OPERATIONALLY AND LEAK CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.