As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 3064 - EWR - FLIGHT CREW REPORTED L/G AIR GROUND FAIL ON EICAS AFTER TAKEOFF (OCCURRED TWICE). EWR MX REMOVED AND REPLACED WOW PROX SWITCH NR 1 CONNECTOR AND PERFORMED OPERATIONAL CHECK SUCCESSFULLY. ACFT WAS APPROVED TO RETURN TO SERVICE.