What was found
LHR - FLT 106 - EN ROUTE JFK/LHR DURING CRUISE, FIRST CLASS GALLEY NR 2 OVEN HAD DIRTY INTERIOR CAUSING SMOKE WHEN OVEN DOOR WAS OPENED. NO OTHER ABNORMAL INDICATIONS AND AIRCRAFT PROCEEDED TO LHR AND LANDED WITHOUT INCIDENT. CLEANED INTERIOR OF FIRST CLASS GALLEY NR 2 OVEN. SYSTEM GROUND CHECKED NORMAL OPERATION WITH NO SMOKE NOTED. (M)