What was found
TUL - FLIGHT 2972, DURING PRE-FLIGHT INSPECTION THE CREW REPORTED A SMOKE SMELL AND FLICKERING CABIN LIGHTING. MAINTENANCE INSPECTED THE LIGHTING AND PLACED THE LIGHT AT SEAT 7A ON MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. ON 12/01/10 IAH MAINTENANCE REMOVED AND REPLACED THE LIGHT ASSEMBLY AT SEAT 7A, OPERATIONALLY TESTED WITH NO DEFECTS, REMOVED THE MEL, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.