As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IAH- DURING MAINTENANCE INSPECTION SEVERAL EMERGENCY AISLE PATH LIGHTS WERE FOUND TO BE INOPERATIVE. THE NUMBER THREE EMERGENCY BATTERY WAS REMOVED AND REPLACED AND THE OPERATIONAL CHECK OF THE EMERGENCY AISLE PATH LIGHTING WAS SATISFACTORY. REFERENCE ATR-42JIC 33-50-00, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.