As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: STRONG ELECTRICAL OR BURNING SMELL IN BUSINESS CLASS WHEN COOKING MEALS IN MID GALLEY. SMELL DISSIPATED WHEN EVERYTHING WAS TURNED OFF. MAINTENANCE ACCOMPLISHED J/C 72L00021001 "INITIAL TROUBLESHOOTING DUE TO SOF" FOUND OVEN 4 IN MID GALLEY WHINING AND SMOKING DURING OPS CHECKS. REPLACED OVEN 4 IAW AMM 25-32-02.