What was found
ON FINAL, AFTER NORMAL GEAR EXTENSION, NOSE GEAR UNSAFE LIGHT CAME ON. GREEN NOSE GEAR LIGHT WENT OUT AND GEAR WARNING HORN SOUNDED. RECYCLED GEAR AND GOT NORMAL INDICATIONS. VERIFIED BROKEN WIRE ON NOSE GEAR DOWN LOCK PROXIMITY SENSOR. REPLACED SENSOR IAW DC-9 MM 32-60-1. OPS CHECKED GOOD.