As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
OIL ODOR IN COCKPIT WITH APU AND PACKS ON. RAN BOTH PACKS WITH APU AND WITH LT PACK TRIM AIR SELECTED FULL HOT, AFTER REPLACING LT PACK OZONE CONVERTER. NO OIL OR FOUL ODORS AT THIS TIME. BORESCOPED APU DUCTS AND LT PACK ALSO AND NO EVIDENCE OF OIL.