As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE IN FIRST CLASS GALLEY. EMERGENCY DECLARED FLIGHT RETURNED TO CCS LANDED WITHOUT INCIDENT. FOUND FIRST CLASS GALLEY AREA OVEN WITH DEBRIS INSIDE OF GALLEY GRILLS. PLACARDED BOTH FIRST CLASS GALLEY OVEN IAW NEF 25-33A AUTH 6-967NEF-C. REPLACED FIRST CLASS GALLEY OVEN AT JFK ON 06/24/2013. SYSTEM GROUND CHECKED NORMAL.