As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DTW - FLT 1904 - IN PREPARATION FOR LANDING AT DTW FROM PHL, AT APPROXIMATELY 1,500 FEET, CREW RECEIVED AN UNSAFE GEAR INDICATION WITH THREE RED AND THREE GREEN GEAR LIGHTS ILLUMINATING. CREW INITIATED A GO-AROUND AND RESET THE GEAR SELECTOR HANDLE DOWN. A NORMAL GEAR INDICATION OF THREE GREEN GEAR LIGHTS WAS RECEIVED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO EMERGENCY WAS DECLARED. (M)