As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DIVERTED TO KJFK WITH REPORTED FUMES IN AFT GALLEY. UNKNOWN SOURCE, BUT REPORTED AS BURNING PLASTIC ODOR, WHICH DID NOT GO AWAY EVEN AFTER TURNING OFF UTILITY BUSSES AND RECIRC FANS. ATL/TMC NOTIFIED AT 1055Z. AFTER OPERATING NR 4L COFFEEMAKER FOUND DEBRIS UNDER POT. CONFIRMED SMELL WITH FLT CREW. OPERATED ALL C/MS. CHECKED E AND E COMPT, AFT CARGO. NO FURTHER FUMES. OK FOR SERVICE.