What was found
IN CRUISE FLIGHT, CREW NOTED HYDRAULIC QUANTITY LOW CAS MESSAGE AND CONFIRMED THE A-SYSTEM HYDRAULIC FLUID QUANTITY INDICATED 15 PERCENT. CREW NOTED ALSO THAT THE HYDRALIC FLUID TEMPERATURE WAS RISING. CREW BEGAN PREPARATIONS TO DIVERT, AS HYDRAULIC TEMPERATURE BEGAN TO STABILIZE, CREW CHOSE TO CONTINUE TO ITS DESTINATION. AN EMEGERNCY WAS DELCARED AND THE ALTERNATE GEAR EXTENSION WAS ACCOMPLISHED. THE AIRCRAFT LANDED SAFELY. MAINTENANCE INSPECTED THE COMPLETE SYSTEM AND COULD NOT DUPLICATE THE DISCREPANCY.