As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT ON APPROACH THEY RECEIVED AN AURAL WARNING FOR LG. ALL THREE GEAR INDICATED DOWN & LOCKED. THE CREW DID A GO AROUND & ON THE SECOND APPROACH THE AURAL MESSAGE REPEATED. AGAIN, ALL THREE GEAR INDICATED DOWN & LOCKED & THERE WERE NO EICAS INDICATIONS. THE CREW COMPLETED ANOTHER GO AROUND. ATC DECLARED AN EMERGENCY, THE TOWER VERIFIED THAT THE GEAR WAS DOWN WHILE ON LOW SPEED APPROACH. THE ACFT LANDED WITHOUT INCIDENT. MX COMPLIED WITH OPERATIONAL CHECKS ON THE LANDING GEAR AURAL WARNING SYS WITH NO DEFECTS NOTED.