What was found
MHT - DURING THE APPROACH TO LANDING THE NOSE WHEEL GEAR LIGHT FAILED TO ILLUMINATE. PILOT DID A GO AROUND, CIRCLED AIRPORT AT 2000 FT AND RECYCLED GEAR TO MAKE SURE THE LIGHT WAS NOT MALFUNCTIONING. THE TEST LIGHT SHOWED THE THREE GREEN LIGHTS WERE WORKING. THE PILOT DECLARED EMERGENCY AND LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED AIRCRAFT AND FOUND A BROKEN WIRE IN THE POSITION INDICATION CIRCUIT FOR THE NOSE GEAR. WIRE WAS REPAIRED AND OPERATIONAL CHECKS PERFORMED SATISFACTORILY. AIRCRAFT RETURNED TO SERVICE.