As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SLIGHT BURNING SMELL IN COCKPIT & FIRST CLASS. FLIGHT ATTENDANT HAD NOTHING IN OVEN OR ON WARMER. SMELL GONE AFTER 3 MINUTES. INSPECTED ACFT IAW AMM TASK 05-51-26-800-801C1, NO EVIDENCE OF OVERHEATING OR BURNING SMELL WERE DETECTED. ACFT OK FOR SERVICE.