As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 3044, THE CREW REPORTED A LAV SMOKE WARNING HORN IN THE GALLEY WENT OFF DURING DESCENT WITH NO EICAS MESSAGE OR EVIDENCE OF SMOKE, AND LASTED ABOUT 10 MINUTES. THE AIRCRAFT LANDED AT IAH WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE LAV SMOKE DETECTOR, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.