What was found
AT LEVEL OFF, LOST GREEN SYS HYD QTY, FOLLOWED ECAM AND QRH PROCEDURES. PERFORMED GRAVITY GEAR EXTENSION STOPPED ON RUNWAY WAS TOWED TO GATE. AFTER ACFT STOPPED, NOTICED BLUE SYS, QUANTITY PEGGED OUT HIGH. SERVICED GREEN SYS IAW MM 12-12-29-00 TO LOOK FOR LEAK. FOUND LT MLG UPLOCK ACTUATOR LEAKING. R & R LT MLG UPLOCK ASSY IAW AMM A300-32-31-44-04, OPS AND LEAK CHECK WAS GOOD, ALSO MANUAL FREE FALL CHECK WAS GOOD IAW REF 29-00-00-030.