As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG ODOR IN FLIGHT AND WENT AWAY AFTER PACK SHUTDOWN. PERFORMED APU/PACK RUN WITH NO FAULT FOUND. PERFORMED TI E145-7200-2019-01 AND FOUND NO DEFECTS. PERFORMED FIM WITH NO DEFECTS. PERFORMED ENGINE ANTI ICE TEST AND FOUND NO DEFECTS. PERFORMED RUNS/HIGH POWER RUNS AT MULTIPLE SETTINGS AND COULD NOT DUPLICATE THE PROBLEM.