As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL, PLASTIC OR ELECTRICAL ODOR IN FLT DECK AND SMOKE AND ODOR IN CABIN. RETURNED TO DEPARTURE AND LANDED. FOUND OVEN IN FWD GALLEY WITH STRONG BURN ODOR. REMOVED AND REPLACED THE OVEN IAW AMM 25-34-00. REPLACED RECIRCULATION AIR FILTERS IAW AMM 21-25-01-000-801 AND AMM 21-25-01-400-801. COMPLIED WITH AMM 05-51-26-800-801C1 INSPECTIONS, NO DISCREPRENSIES NOTED.