As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3405 THE CREW REPORTED, RECEIVED A LAV SMOKE INDICATION INFLIGHT. THE CREW PULLED E11, E12 CIRCUIT BREAKERS PER PROCEDURE, NO INDICATION OF SMOKE OR FIRE WARNING. THE CREW REPORTED THE MESSAGE SELF EXTINGUISHED AFTER A FEW MINUTES. THE AIRCRAFT WAS REMOVED FROM SERVICE. FOUND LAVATORY SMOKE DETECTOR DIRTY, CLEANED IAW EMB AMM 26-14-01. NO PARTS REMOVED OR REPLACED. THE OPERATIONAL CHECK WAS GOOD IAW EMB AMM 26-14-00. THE AIRCRAFT WAS RETURNED TO SERVICE.