As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUMES IN COCKPIT AND CABIN AT 6000 FEET ON ARRIVAL. APPEARED TO DISSIPATE WITH PACK 1 TURNED OFF. PERFORMED ENGINE RUN IAW AMM 71-00-00. ISOLATED THE NR 1 PACK, NO ODOR NOTED. ISOLATED PACK NR 2, NO ODOR NOTED. PERFORMED OPS CHECK OF APU IAW AMM 49-00-00. ISOLATED NR 1 PACK NO ODOR NOTED. ISOLATED THE NR 2 PACK. NO ODOR NOTED. AIRCRAFT OK FOR SERVICE.