What was found
IAH - FLIGHT 2989, DURING CRUISE FLIGHT THE CREW REPORTED LOSING THE NUMBER TWO HYDRAULIC SYSTEM. THE CREW DECLARED AN EMERGENCY, AND LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE INSPECTED THE AIRCRAFT, AND REMOVED AND REPLACED THE NUMBER TWO ENGINE DRIVEN HYDRAULIC PUMP, OPERATIONALLY AND LEAK CHECKED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.