What was found
IAH 0 FLIGHT 2749, DURING PRE-FLIGHT INSPECTION, THE CREW REPORTED THAT THE PAX DOOR EMERGENCY LIGHT WAS INOPERATIVE. MAINTENANCE INSPECTED THE AIRCRAFT, OPERATIONALLY CHECKED THE EMERGENCY LIGHTS WITH NO DEFECTS FOUND, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.(NOTE: NO PARTS WERE CHANGED OR FOUND DEFECTIVE)