What was found
AFTER INITIAL LANDING GEAR RETRACTION, NLG DID NOT RETRACT, RED LIGHT IN PRIMARY AND SECONDARY DISPLAY. CYCLED GEAR DOWN THEN UP AGAIN. LANDING GEAR RETRACTED NORMALLY IAW QRH, AS INDICATED ON PRIMARY & SECONDARY DISPLAY. HYDRAULIC PRESSURES NORMAL THROUGHOUT THIS PROCEDURE. REPLACED THE LOWER LOCK LINK ASSY AND THE TARGET ASSY. APPEARS TO BE AN INDICATION ISSUE AS THE TARGET WAS ABOUT TO FALL OFF AND WAS MOVING ALL OVER THE PLACE. THE GEAR OPS CHECKED NORMAL. OK FOR SERVICE IAW MM 32-22-01-4, 32-61-17-4, AND 32-30-00-5-1. ACFT OK FOR SERVICE.