What was found
AIRCRAFT WAS GROUNDED: AFTER TAKEOFF, BURNING SMELL SMELLED IN FORWARD GALLEY. BELIEVED TO ORIGINATE FROM OVEN WARMERS BEING LEFT ON. SMELL DISSIPATED QUICKLY. DECESION MADE TO DIVERT TO DUB, EMERGENCY DECLARED AS PRECAUTION AIRCRAFT LANDED WITHOUT INCIDENT. MAINTEMNANCE ACCOMPLISH SMOKE ODOR WORK CARD 78L00021001 CAREFULLY CHECKED ALL GALLEY EQUIPMENT, COOLING SYSTEM AND FWD E&E BAY WITH NO FINDINGS.