As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2638, THE CREW REPORTED THAT THE EMERGENCY EXIT LIGHT ABOVE THE FA SEAT WAS INOPERATIVE. MAINTENANCE CLEANED THE ELECTRICAL CONNECTORS, OPERATIONALLY CHECKED THE EMERGENCY LIGHTS WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.