As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2890, THE CREW REPORTED A LAV SMOKE WARNING FOR 15 SECONDS IN FLIGHT WITH NO VISUAL INDICATION OF SMOKE THROUGHOUT FLIGHT. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE INSPECTED THE AIRCRAFT, OPERATIONALLY TESTED THE LAV SMOKE DETECTOR ALL WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.