As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT GALLEY PIGTAIL REPORTED TO BE ARCING JUST PRIOR TO DEPARTURE. FOUND P43 PIGTAIL DAMAGED DUE ARCING WHICH WAS CAUSED BY A DEFECTIVE CART. POSITION HAS BEEN ISOLATED CIRCUIT BREAKER PULLED AND COLLARED. CABLE AND RESET CIRCUIT BREAKER, OPS CHECKED WITH TESTER PASSED.