What was found
AIRCRAFT WAS GROUNDED: ON TAXI OUT FAS REPORTED ELECTRICAL ODOR, SAID IT WAS STRONG. JUMPSEATER WENT BACK AND CONFIRMED ODOR, AND FOUND IT TO BE STRONGEST IN FIRST CLASS, LEFT SIDE, SECOND OR THIRD ROW. PAX REPORTED OILY SMELL. MAINTENANCE REPORTS UPON FURTHER EVALUATION, FOUND ELECTRICAL/ MILD BURNING SMELL WHEN FIRST CLASS GALLEY OVEN IS IN OPERATION AFTER 10 MINUTES OF USE AND PERSISTED THROUGH-OUT THE TIME IT IS ON. CYCLED OVEN SEVERAL TIMES WITH SAME OUTCOME. REMOVED AND REPLACED FIRST CLASS GALLEY OVEN IAW AMM 25-31-05. RAN OVEN IN EXCESS OF ONE HOUR AND COULD NOT REPLICATED ODOR.