What was found
DURING LEG, AFTER TAKEOFF WHEN GEAR WAS RETRACTED, GEAR UNSAFE LIGHT REMAINED ON AND NOISE WAS COMING FROM NOSE GEAR AREA. CREW ELECTED TO DIVERT TO SERVICE FACILITY. LANDING GEAR WAS EXTENDED AND ALL 3 GREEN LIGHTS WERE OBSERVED. ACFT LANDED WITHOUT INCIDENT. MX TROUBLESHOT SYS AND FOUND WORN NOSE GEAR TORQUE LINK SPACER. TORQUE LINK SPACER WAS REPLACED WITH NEW PART, GEAR RETRACTION TEST PERFORMED SATISFACTORILY AND ACFT WAS RETURNED TO SERVICE.