As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAVY ODOR OF FUMES IN CABIN DURING TAKEOFF. FUMES DISSIPATED AFTER BLEED AIR SWITCH & CABIN AIR SWITCH TURNED OFF. DURING BEFORE TAXI CHECKLIST, THE LT BLEED AIR PASSED ONLY AFTER SEVERAL ATTEMPTS. RUN UP APU & BOTH ENGS, SET CABIN AIR ON & ODOR DISSIPATED AFTER HALF HOUR RUN. LT BLEED AIR OPERATIONS CHECKED GOOD IAW MM CH 21.