What was found
IAH - FLT 205B, DURING FLIGHT, CREW REPORTED THE LEFT HAND MAIN LANDING GEAR FORWARD DOOR WOULD NOT CLOSE WHEN THE GEAR WAS RETRACTED. MAINTENANCE REMOVED AND REPLACED THE AFFECTED GEAR DOOR SEQUENCE VALVE IAW EMB120 MM 32-32-04, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE. (X)