What was found
(AIRCRAFT NOT GROUNDED) LOST GREEN SYSTEM HYDRAULIC FLUID AFTER TAKE OFF. ASSOCIATED MESSAGED ON ECAM: HYD. G ENG 1 PUMP LOW PRESS / HYD G SYS LOW PRESS/ HYD. G RESVR. LOW LEVEL / FOUND R/H MLG HYD LINE FROM MLG LOCK STAY ACTUATOR SEVERED. REMOVED + REPLACED R/H MLG LOCK STAY ACTUATOR OUTBOARD HYD LINE IAW AMM 32-11-21-000-001A + 32-11-21-400-001A. AND 32-11-22-04 CONF OO. OPS AND LEAK CHECK GOOD. NORMAL EXTENSION + RETRACTION FUNCTIONAL CHECK GOOD IAW AMM 32-31-00-720-002A"