As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 4917, THE CREW REPORTED A LAV SMOKE WARNING IN FLIGHT WITH NO EVIDENCE OF SMOKE. CIRCUIT BREAKERS E11 AND E12 WERE PULLED IAW EMERGENCY / ABNORMAL PROCEDURES AND THE WARNING WENT AWAY. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND RESET THE CIRCUIT BREAKERS, INSPECTED THE AIRCRAFT, AND OPERATIONALLY CHECKED THE SMOKE DETECTION SYSTEM WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.