As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH AND GEAR EXTENSION, CREW RECEIVED RED NOSE GEAR WARNING LIGHT. CREW RECYCLED GEAR THREE TIMES AND CONDITION REMAINED. PILOTS VERIFIED MANUALLY THAT NOSE LANDING GEAR WAS DOWN AND LOCKED FLIGHT MADE AN UNEVENTFUL LANDING. DTW MAINTENANCE REPLACED THE NOSE GEAR POSITION SWITCH. OPERATIONAL CHECK NORMAL.