What was found
DURING CRUISE FLIGHT, CREW RECEIVED A CAS MESSAGE FOR LOW HYDRAULIC FLUID LEVEL ON NR 1 SYSTEM. AIRCRAFT LANDED. ON ARRIVAL AT AIRCRAFT MAINTENANCE CREW FOUND A LEAKING MS FITTING. NO PRIOR MAINTENANCE WAS DONE TO OR AROUND THAT FITTING OR LINE AT OUR FACILITY. THE FITTING WAS SECURED BY TIGHTENING APPROXIMATELY 1/4 TURN AND NO LEAKS NOTED. AIRCRAFT WAS RETURNED TO SERVICE AFTER THAT AND NO FURTHER DEFECTS HAVE BEEN REPORTED.