As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
VERY POTENT EXAUST SMELL RUNNING BOTH PACKS ON APU BLEED AFTER L ANDING WHILE WAITING ON GATE. PERFORMED INITIAL INSPECTION AND OPERATION CHECK IAW 05-51-26. UP TO SECTION 2.E. PERFORMED ISPECTION PER AMM 05-51-26-800-801+C1 NO SMOKE OR FUMES IN THE CABIN.