As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 864 - PIT-DTW - ON FINAL APPROACH TO DTW, RECEIVED A NOSE GEAR NOT DOWN INDICATION. ATC VERIFIED THE GEAR WAS NOT DOWN. CREW PERFORMED ALTERNATE GEAR EXTENSION PROCEDURE. INDICATION WAS NORMAL AND ATC VERIFIED THAT THE GEAR WAS DOWN. FLIGHT LANDED AT DTW WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE LANDING GEAR SELECTOR VALVE. (M)