As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 4197, THE CREW REPORTED THAT THE EMERGENCY LIGHT NEAR THE EXIT DOOR IN THE CEILING WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE DEFECTIVE LIGHT BULB, OPERATIONALLY TESTED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.