As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - DURING CRUISE, SINGLE SERVING CART CONNECTOR EMITTED SMOKE AND CIRCUIT BREAKER POPPED. TURNED OFF SERVICING CART AND DISCONNECTED CONNECTOR. FOUND INTERNAL MALFUNCTION IN SERVING CART, MFG P/N 88801-1, CONNECTOR. REPLACED SERVING CARGO AND OPERATION THEN CHECKED NORMAL.