As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH, RECEIVED A GPWS TOO LOW GEAR AURAL AND VISUAL WARNING AT APPROX 500 RA WITH LANDING GEAR DOWN AND LOCKED WITH 3 GREEN LIGHTS. WENT AROUND AND CONFERRED WITH MOCC. SECOND APPROACH NORMAL. STATUS MESSAGE LDG GEAR MONITOR APPEARED AFTER FIRST GO AROUND AND REMAINED ON FOR REMAINDER OF FLIGHT. ***EMERGENCY DECLARED*** PERFORMED GPWS SYSTEM TEST IAW AMM 34-46-00-5-6 NO FAULTS FOUND. PERFORMED TROUBLESHOOTING IAW FIM 32-61-00-1 TASK 812 NO FAULTS SHOWN A/C OKAY FOR SERVICE.