What was found
(CAN) FLIGHT EXPERIENCED A GRADUAL FAILURE OF HYD SYS 1 AND DETECTED HYD FLUID SMELL IN THE COCKPIT FLIGHT DIVERTED AND DECLARED AN EMERGENCY FOUND NR 3 MF, 12H, SPOILER ACTUATOR LEAKING, REPLACED RT NR 3MF SPOILER ACTUATOR IAW AMM 27-65-01-00801A CARRIED OUT FLIGHT CONTROL RETURN TO SERVICE CK SERVICE.