As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON APPROACH HAD A LANDING GEAR DISAGREE AND DECLARED AN EMERGENCY. FLT LANDED SAFELY AND WAS INSPECTED PRIOR TO TAXI TO THE HANGER. NLG LDG DN PROX SW 1 REQUIRES REPLACEMENT FOR CORROSION AND PREVIOUS PIREP OF LG/LEVER DISAGREE AND NLG UNSAFE IDICATION.-C/A-RAR NLG DOWNLOCK PROXIMITY SWITCH 1 AND HARNESS IAW AMM 32-61-02. FUNCTIONAL CHECK GOOD. NO OTHER DEFECTS NOTED AT THIS TIME.