As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR/GROUND FAIL MESSAGE FOLLOWED BY E 1/2 REV DISAGREE MESSAGE, DIVERTED TO JFK. REMOVED AND REPLACED NOSE LANDING GEAR WEIGHT ON WHEEL PROXIMITY SWITCH IAW EMB AMM 32-36-02 AND OPERATIONAL CHECK PERFORMED IAW AMM 32-60-00 WITH NO DEFECTS. RETURNED AIRCRAFT TO SERVICE.