As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW IS REPORTING MULTIPLE AIR GND PROBLEMS ALONG WITH SEVERAL PROBE HEAT AND FLAP/CONFIG WARNINGS RETURNING TO JFK FOR REPAIRS. JACKED A/C. A/G DISAGREE AND BOTH ICE DETECTOR STATUS MESSAGE DISPLAYED. FOUND SENSOR S268 BAD. REPLACED SENSOR S268 TEST PER MM.