As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ORD - FLT 1437 - AFTER TAKEOFF YYZ, BURNING ODOR REPORTED IN CABIN AND COCKPIT FOR 2-3 MINUTES. NO LONGER NOTICEABLE FOR DURATION OF FLIGHT. ACCOMPLISHED REQUIRED INSPECTIONS, UNABLE TO DUPLICATE ODOR. SYSTEM GROUND CHECKED NORMAL OPERATION. RECIRCULATION FAN PREVIOUSLY CHANGED DUE TO SMOKE IN CABIN ON 2/28/2000. (M)