As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HEAVY ODOR (BURNING SMELL) IN CABIN. RTFL. AC SYSTEM OIL CONTAMINATION REMOVAL. ENGINE RUN TO REMOVE OIL ODORS. SIX QUARTS OIL REMOVED FROM OIL TANK. ALL OIL SMELL HAS DISSIPATED FROM NR 1 ENG BLEED SYSTEM. NO ODORS PRESENT AT END OF PACK BURN.