What was found
LHR - FLT 0056 - EN ROUTE MIA/LHR, SLIGHT ELECTRICAL SMELL NOTED IN AFT GALLEY. GALLEY EQUIPMENT AND RE-CIRCULATING FANS TURNED OFF AND SMELL MOVED TO MID-BUSINESS CLASS AREA AND DISSIPATED AFTER APPROXIMATELY ONE MINUTE. AIRCRAFT CONTINUED TO LHR AND LANDED WITHOUT INCIDENT. EXAMINED AND TESTED AIR CONDITIONING PACKS. RE-CIRCULATION FANS, GALLEY EQUIPMENT, AND VIDEO UNITS. NO FAULTS NOTED. NO SMELL OR SMOKE DETECTED. SYSTEM GROUND CHECKED, NORMAL OPERATION. (X)