As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH-DURING C-CHECK INSPECTION, THE EMBERGENCY LIGHTS ON PANELS 243LC AND 243 DLC WERE FOUND TO BE INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE AFFECTED EMERGENCY LIGHT POWER SUPPLY, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.