What was found
DEN - FLIGHT 5663, AFTER T/O CHECKLIST, THE CREW REPORTED A LAV SMOKE WARNING. THE AIRCRAFT RETURNED TO DEN WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT AND IT FERRIED TO CLE WHERE MAINTENANCE REMOVED AND REPLACED THE NUMBER TWO ENGINE, OPERATIONALLY AND LEAK CHECKED WITH NO DEFECTS NOTED, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.