What was found
IAH - FLIGHT 2725, THE CREW REPORTED SMOKE IN THE LAV AND CARGO COMPARTMENT ON LANDING. THE CREW DISCHARGED BOTH FIRE BOTTLES, AND THE AIRCRAFT WAS EVACUATED. MAINTENANCE INSPECTED THE AIRCRAFT, AND REMOVED AND REPLACED THE NUMBER TWO ENGINE, OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.