What was found
ON LG EXTENSION RECEIVED AN EICAS, GEAR DOORS, ALERT. PERFORMED GO AROUND TO READ QRH & PERFORM REQUIRED ACTIONS. DOOR LIGHT & EICAS MESSAGE SUBSEQUENTLY WENT OUT. INSPECTED MLG DOORS IAW MM 32-12-00-6, MLG DOORS CHECKED NORMAL, NO DEFECTS NOTED. INSPECTED NLG DOORS IAW MM 32-22-00-0, NLG DOORS CHECKED NORMAL IAW CREW DEBRIEF GEAR DOORS OPERATED NORMALLY DURING REMAINDER OF APPROACH.