As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - FLT NR 803 - DURING CRUISE, SMOKE AND ELECTRICAL ODOR EMITTED FROM AFT GALLEY E-1 SERVING CART CONTROLLER, MFG P/N B006781. TURNED OFF CONTROLLER AND OPENED CIRCUIT BREAKERS. REPLACED THE E-1 CART CONTROLLER AND OPERATION CHECKED NORMAL.