What was found
FLT 1740 FROM BNA TO CLT, DURING APPROACH THE NOSE LANDING GEAR FAILED TO INDICATE DOWN AND LOCKED. THE RED LIGHT WAS ILLUMINATED AND THE GREEN LIGHT WAS OUT. THE CREW PERFORMED APPROPRIATE CHECK LIST AND LANDED WITHOUT INCIDENT IN CLT. POST FIGHT INSPECTION WAS PERFORMED, FOUND CHAFED WIRE ON NLG SWITCH. REPAIRED BROKEN WIRE REROUTED AND CLAMPED NOSE GEAR SWITCH WIRE BUNDLE AND PERFORMED OPS CHECK. NO OTHER DEFECTS WERE NOTED. AIRCRAFT WAS RETURNED TO SERVICE.