As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED THAT THE LEFT MAIN LANDING GEAR DID NOT SHOW DOWN AND LOCKED WHEN THE LANDING GEAR LEVER WAS SELECTED DOWN. THE CREW DECLARED AN EMERGENCY AND THE AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED BOTH LEFT MAIN LANDING GEAR DOWNLOCK PROXIMITY SENSORS. OPERATIONAL CHECKS AND LANDING GEAR SWINGS WERE GOOD WITH NO FURTHER DEFECTS NOTED.