As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: SMELL OF MELTED PLASTIC NOTICED IN THE COCKPIT AS WELL AS AFT CABIN. #1 FA SHUT OFF OVEN IN FORWARD GALLEY AND SMELL DISSIPATED. NOTHING FURTHER NOTED. AFTER COMPLETING J/C 26L00021001 SOF TROUBLESHOOTING FOUND NUMBER ONE OVEN COULD BE THE CAUSE OR ODOR. REPLACED OVEN PER AMM 25-35-19.