As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 2398 - EWR - FLIGHT CREW REPORTED LAV SMOKE INDICATION ON EICAS DURING CRUISE, MESSAGE CLEARED AFTER 1 MIN. EWR MX REMOVED AND REPLACED NR 2 ENGINE AND PERFORMED OPERATIONAL TEST SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE. SDR FILED OPEN