As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DIVERTED TO LHR UNDER AMBER ALERT DUE TO SMOKE AND ELECTRICAL FUMES IN MID GALLEY WITH VARIOUS ITEMS TURNED ON OR OFF. *S/D* LHR FOUND OVEN R41 SMELLING BADLY WHEN TURNED ON. PULLED AND COLLARED C-B FOR OVEN R41. AT COMPLETION ON FLT 953 IN ORD ON 6/25/99, REPLACED OVEN AND OPS CHECKS GOOD.