What was found
RT HYD QTY WENT TO 1 QT AT CRUISE FL240 QTY RETURNED TO 10 QT AFTER RT ENGINE DRIVEN HYD PUMP SHUTDOWN IAW QRH. LOST RT SYS PRESSURE DURING CONFIG FOR LANDING. USED ALTERNATE GEAR EXTENSION AND STOPPED ON RUNWAY FOUND PRESSURE FLEX LINE FROM NR 2 ENG TO PYLON LEAKING. REPLACED SAME. RAN ALL HYD SYSTEMS. NO LEAKS. RESERVICED RT HYD SYSTEM TO FULL. RT SYSTEM NEVER FULLY DEPLETED. CHECKED OPERATION OF ELECTRIC AND ENGINE DRIVEN PUMPS ALL CHECKS GO REPLACED MLG DOOR SKIDS ON BOTH DOORS.