As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLL - FLIGHT 4134 THE CREW REPORTED A LAV SMOKE WARNING AND AND VISIBLE SMOKE PRESENT ON APPROACH TO IAH. THE AIRCRAFT WAS DIVERTED TO CLL WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, GROUND RAN BOTH PACKS FROM ENGINE BLEED AND APU BLEED WITH NO DEFECTS NOTED. THE AIRCRAFT WAS THEN APPROVED FOR RETURN TO SERVICE.