As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH - FLIGHT 4035 THE CREW REPORTED THAT THE AISLE OVERHEAD EMERGENCY FLOOD LIGHT WAS INOPERATIVE. MAINTENANCE REMOVED AND REPLACED THE #4 EMERGENCY LIGHT POWER SUPPLY UNIT, OPERATIONALLY TESTED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.