What was found
LANDING GEAR DOORS NOT CLOSED DURING TAKEOFF. THEN HYD G RSVR LO LVL ECAM WAS COMPLETELY UNSATISFACTORY. EMER WAS DECLARED. IAW AMM 29-11-51-041-A & THE AMM 29-1-51-400-041 GREEN EDP WAS REPLACED, TESTED OK. IAW AMM 32-11-22-000-001 & AMM 32-11-22-400-001 THE LOCK STAY ACTUATOR HOSE, PN 201655196, WAS REPLACED. THE FUNCTIONAL TEST OF THE MLG LOCK STAY ACTUATOR CYLINDER, WITH BRACE TOOL INSTALLED, WAS ACCOMPLISHED.