What was found
CREW REPORTS LANDING GEAR DOORS NOT CLOSED ELECTRONIC CENTRALIZED AIRCRAFT MONITORING (ECAM) MESSAGE AFTER TAKEOFF. FOUND GREEN HYDRAULIC SYSTEM PRESSURE INDICATING 2000 PSI WITH GEAR DOORS UP. DISCOVERED THAT BY OPENING THE RIGHT HAND MAIN LANDING GEAR DOOR, PRESS RETURNS TO 3000 PSI AS NORMAL. RIGHT HAND DOOR OPENING BYPASS VALVE AND ACTUATOR ARE WARM TO TOUCH. LEFT HAND SIDE COLD TO TOUCH IN COMPARISON. SUSPECT DOOR ACTUATOR HAS INTERNAL LEAKAGE. REPLACED RIGHT HAND MAIN LANDING GEAR DOOR RETRACTION ACTUATOR.