As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STRONG FUME ODOR DURING APPROACH. ODOR WAS PRESENT IN COCKPIT AND CABIN.-REF TSM 05-50-00-810-831-A PERF GVI ON APU & FOUND OIL CONTAINMATION ON INLET PREFORMED LEVEL A DECONCAMINATION OF ECS USING ENG BLEED IAW AMM 21-00-00-615-802-A NO STRONG ODORS ON BOTH PACKS APU REQ DEFFERAL