What was found
FLT 516 - FWA-ELP, ON APPROACH WHEN LANDING GEAR SELECTOR LEVER WAS MOVED TO THE DOWN POSITION. THE NOSE LANDING GEAR RED LIGHT REMAINED ILLUMINATED WITH NO NOSE GREEN LIGHT AT ALL. THE GEAR WAS RECYCLED AND THE RED LIGHT EXTINGUISHED. THE AIRCRAFT LANDED WITHOUT FURTHER INCIDENT. INSPECTION FOUND A LOOSE CONNECTOR ON THE NLG DOWN LOCK SWITCH. OPERATIONALLY CHECKED GOOD. INSPECTION COULD NOT DUPLICATE THE PROBLEM. THE AIRCRAFT WAS RETURNED TO SERVICE. (M)