What was found
AFTER TAKEOFF LOST ALL GREEN HYD FLUID. GAUGES INDICATED ZERO QTY ON OVERHEAD PANEL AND ECAM. COMPLETED QRH AIR TURN BACK, TROUBLESHOOTING FOUND THE RT AILERON ACTUATOR PRESSURE HOSE RUPTURED. R & R THE HOSE . PERFORMED LEAK CHECK, NO LEAKS FOUND, SERVICED HYD GREEN SYS.