What was found
IAH - FLIGHT 2429, DURING PREFLIGHT INSPECTION THE CREW REPORTED THAT THE EMERGENCY LIGHTS WOULD NOT TURN OFF. MAINTENANCE REMOVED AND REPLACED CONNECTOR P8500, THE NUMBER ONE EMERGENCY LIGHT BATTERY PACK, AND THE NUMBER ONE BATTERY PACK POWER SUPPLY, OPERATIONALLY TESTED WITH NO DEFECTS AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.