As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - ON SHORT FINAL GEAR DOWN AND LOCKED FORTY FLAPS GOT RED GROUND PROXIMITY WARNING THREE RED GEAR LIGHTS AND AURAL TOO LOW GEAR. RESET GEAR HANDLE AND WARNING WENT AWAY. FLIGHT LANDED DFW WITHOUT INCIDENT. REPLACED GROUND PROXIMITY WARNING COMPUTER AND R2-1 RELAY. SYSTEM GROUND CHECK NORMAL OPERATION.