As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 3506 AFTER LANDING CREW REPORTED GEAR EXTENSION LT AIR GND FAIL EICAS MESSAGE & DECLARED EMERGENCY. THE ACFT WAS REMOVED FROM SERVICE. PERFORMED FUNCTIONAL CHECK OF ALL MLG PROX SWITCHES, FOUND CONNECTOR ON THE LT SHOCK ABSORBER SWITCH NOT FULLY SEATED. SECURED CONNECTOR & ALL OPERATIONS CHECKED GOOD IAW FIM TASK 32-63-05-700-801-A.