As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES IN COCKPIT DURING TAKEOFF. *S/D* THE CAUSE WAS NOT DETERMINED, BUT A POSSIBLE CAUSE COULD HAVE BEEN INGESTION OF ANTI-ICING FLUID. WHEN THE FLUID BURNED OFF THE SOURCE OF VAPORS WOULD BE GONE. A PACK BURNOUT WAS PERFORMED AND NO FURTHER WRITE-UPS OCCURRED.