What was found
AFTER TAKEOFF THE LEFT MAIN GEAR INDICATOR WAS RED. WE CHECKED THE CONFIG PAGE WHICH SHOWED RED AS WELL. WE FOLLOWED THE QRH PROCEDURE BUT THE GEAR STILL SHOWED RED ON BOTH INDICATIONS. SHORTLY AFTERWARDS THE GEAR SUDDENLY SHOWED ALL SAFE AND WE CONTINUED THE FLIGHT THIS WAS AT 245 KNOTS INDICATED AND AT FL200 REMOVE AND REPLACED BOLT AND BUSHING IN LEFT M.L.G. DOOR LINK ASSY. AS PER MD-11 M/M 32-34-05-4, TESTED GOOD AS PER MD-11 M/M 32-34-05-5, O.K. FOR SERVICE.