What was found
SFB - RED UNSAFE NOSE GEAR INDICATION AFTER TAKEOFF. CYCLED ONCE, STILL HAD RED UNSAFE IN RETRACT POSITION. RETURNED TO SFB. LANDED AT 142,000 LBS. LANDING WAS SMOOTH. INSPECTED AIRCRAFT PER M/M FOR OVERWEIGHT LANDING CONDITION. NO DEFECTS WERE NOTED. GEAR PINS INSTALLED AND SAFETIED. AIRCRAFT FERRIED TO JAX FOR MAINTENANCE. JAX MAINTENANCE ENTRY. LUBRICATED NOSE LANDING GEAR PER M/M. RETRACTED NOSE LANDING GEAR; ALL INDICATIONS NORMAL. AIRCRAFT PERFORMED LOCAL ACCEPTANCE FLIGHT WITH NO FURTHER DISCREPANCIES. NO PARTS REPLACED AS A RESULT OF THIS EVENT.