What was found
(CAN) CREW REPORTED NR 2 HYDRAULIC (HYD ISOL VALVE) ILLUMINATED IN CRUISE. AIRCRAFT RETURNED TO BASE. ON ARRIVAL, MAINTENANCE DISCOVERED A FLUID TRAIL AFT FROM THE NOSE LANDING GEAR WHEEL WELL. FURTHER INVESTIGATION DETERMINED THAT ONE OF THE NOSE LANDING GEAR ACTUATOR FLEXIBLE HYDRAULIC LINES HAD RUPTURED. THE LINE WAS REMOVED AND A SERVICEABLE LINE WAS FITTED AND TESTED IAW THE APPLICABLE AIRCRAFT MM. THE AIRCRAFT WAS RETURNED TO SERVICE. THIS ISSUE IS RELATED TO SERVICE DIFFICULTY ALERT AL-2003-11.