What was found
DOOR 4R ELECTRICAL BURNING ODOR ABOUT 25 HRS INTO FLIGHT SEEMED LIKE A 'WAVE' IT IS INTERMITTENT AND HAS HAPPENED TWICE NEAR JUMPSEAT AND DOOR NOT NEAR GALLEY CAN BE DETECTED NEAR THE HANDLE TO THE DOOR COULD ALSO POSSIBLY BE COMING FROM THE LAV F-A HAS NOTIFIED COCKPIT TWICE CPIT ADVISED FA TO TURN OFF CHILLERS, COFFEEMAKERS AND OVENS. RAN CHILLERS, COFFEEMAKERS AND OVENS IN AFT GALLEY. FOUND OLD COOKIE WRAPPED IN PLASTIC AND MELTED IN WARMING OVEN W51. THIS OVEN IS NEAR DOOR 4 RT IN AFT GALLEY. NO OTHER ODORS NOTED.