What was found
(CAN) AFTER GEAR DOWN SELECTION ON APPROACH, THE CREW NOTICED THE LT HYD QTY WAS DEPLETING. AFTER LANDING, THE CREW REPORTED THE LT HYD SYSTEM WAS EMPTY. MAINTENANCE INVESTIGATION FOUND THAT THE RETURN FLEX LINE FROM THE LT DOWNLOCK ACTUATOR WAS LEAKING, IPC ITEM 275, PN 271N6119-1. BOTH FLEX LINES TO THE LT DOWNLOCK ACTUATOR WERE REPLACED AND THE HYDRAULIC SYS WAS SERVICED. HYDRAULIC LINE, PN 271N6119-1 AND 271N6119-2, AIPC 32-32-51-15, ITEM 270 & 275.