As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - DURING FLT 3952 - THE CREW REPORTED A FALSE LAVATORY SMOKE INDICATION. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE LAVATORY SMOKE DETECTOR PANEL AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (M)