As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 2802, DURING PREFLIGHT INSPECTION, THE CREW REPORTED SOME EMERGENCY LIGHTS TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE NUMBER 6 EMERGENCY LIGHT INVERTER. OPERATIONALLY CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.