As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 4335 THE CREW REPORTED WHILE AT THE GATE AFTER THE PLANE LANDED THEY RECEIVED A LAV SMOKE WARNING. NO EVIDENCE OF FIRE OR SMOKE. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE LAV SMOKE SENSOR IAW EMB 145 AMM 26-14-01. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.