As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RUN-UP, LANDING GEAR NOSE WHEEL GREEN LIGHT GOES OFF AND RED UNSAFE LIGHT COMES ON (KEEPS REPEATING), GREEN LIGHT COMES ON AND THE RED LIGHT GOES OUT. MAINTENANCE REMOVED LT NOSE WHEEL HARNESS (DOWN AND LOCK) AND INSTALLED SERVICEABLE HARNESS, OPS CHECK OF THE SYSTEM WAS FOUND TO BE OK. (K)