As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - FLT 1356 - EN ROUTE DFW - CREW AND PASSENGERS NOTED BURNING SMELL AND SMOKE. NO SOURCE COULD BE DETECTED BY CREW. RETURNED DFW AND LANDED WITHOUT INCIDENT. FOUND FIRST CLASS GALLEY OVEN TO BE CAUSE OF REPORTED SMELL IN CABIN. REPLACED FIRST CLASS GALLEY OVEN. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)