What was found
AT CRUISE 5 HOURS AFTER TAKE OFF RECEIVED MESSAGE "HYD G SYS LEAK" AND HYDRAULIC QUANTITY WAS SLIGHTLY BELOW AMBER HASH MARKS, FOLLOWED COM AND TURNED OFF GREEN HYDRAULIC SYSTEM. ON APPROACH TURNED PUMPS ON, DROPPED THE GEAR AND THE REMAINING HYDRAULIC FLUID WAS LOST, THE LANDING WAS UNEVENTFUL. FOUND NR 2 HYDRAULIC PUMP PRESSURE HYDRAULIC LINE LEAKING. LINE AND BOTH ENGINE DRIVE HYDRAULIC PUMPS WERE REPLACED AND THE AIRCRAFT WAS RETURNED TO SERVICE.