As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOXIOUS FUMES FROM AFT GALLEY WHILE AT FL370. FUMES DISSIPATED AFTER THE QRH WAS ACCOMPLISHED. FLIGHT DIVERTED TO FSD AND LANDED WITHOUT INCIDENT. FOUND PLASTIC ON BOTTOM OF COFFEE POT AND WARMING PLATE. CLEANED POT AND HOTPLATE. RAN ENGINES THROUGH BLEED SHIFT. NO ODOR IN GALLEY.