What was found
THERE WAS SMOKE, SPARKS AND SMALL FLAMES COMING OUT OF AFT GALLEY CART CONTROLLERS PANELS. ALL AFT GALLEY CART CONTROLLER POWER CIRCUIT BREAKERS ON AFT GALLEY POWER DISTRIBUTION WERE PULLED, POWER TO CART CONTROLLERS WERE REMOVED. CREW NOTICED DAMAGE ON PIGTAIL CART LOCATION 508 ALSO. REPORTED BY FLIGHT CREW. FOUND CART CONTROLLER N62 WITH EVIDENCE OF SMOKE, ALSO FOUND BURNT PIN ON PIGTAIL P62. REPLACED CART CONTROLLER AND PIGTAIL. ACP TEST WITH CART AND CART CONTROL TESTER, ALL CHECKS OK. NO OTHER DAMAGE.