As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT GALLEY CART STATION 504 HAD SMOKE - SPARKS FROM PIGTAIL, 503-505 402 ALSO GOT HOT. FOUND BENT PIN IN PIG TAIL AND FAULTY SPRING REEL. REPLACED PIGTAIL ELECTRIC CABLE CHECK GOOD. REPLACED SPRING REEL OP CHECKED GOOD. ACFT OK FOR SERVICE