As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE CREW REPORTED A LANDING GEAR AIR/GROUND FAIL IN FLT. MAINTENANCE INSPECTED AND CLEANED, LUBED AND CHECKED SECURITY OF WEIGHT ON WHEELS PROXIMITY SWITCHES. SECURED CONNECTOR ON NR 2 CHANNEL OF LGEU. PERFORMED OPERATIONAL CHECKS AND NO DEFECTS FOUND.