As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF, RECEIVED NOSE GEAR RED AND GREEN LIGHT INDICATION, FLICKERED SEVERAL TIMES AND THEN STAYED ON. AIRCRAFT WAS DIVERTED FOR MAINTENANCE TO MSP AND LANDED WITHOUT INCIDENT. REPLACED NOSE LANDING POSITION SWITCH AND REPAIRED WIRE AT CONNECTOR. OPERATION AND INDICATION WERE NORMAL.