What was found
ON GEAR RETRACTION AFTER TAKEOFF, A GEAR DOOR EICAS MESSAGE POSTED WITH ASSOCIATED GEAR DOOR LIGHTS. PLACED GEAR HANDLE TO OFF AND MESSAGE REMAINED AND GEAR DISAGREE EICAS MESSAGE POSTED ALONG WITH LEFT MAIN GEAR EXTENDED GREEN LIGHT ILLUMINATED. PLACED GEAR HAQNDLE TO RETRACT ALL MEASSAGES CLEARED, PLACED GEAR HANDLE TO OFF MESSAGES. REPLACED RELAY K652 AND PSEU. SYSTEM OPERATION IS NORMAL.