As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING T/O, STRONG ODOR AND HAZE IN AFT CABIN. FOUND APU OIL CAP LEAKING AND APU INGESTED OIL. FOUND OIL LEAKING PAST OIL FILLER CAP SEAL. REPLACED CAP AND SEAL SERVICED TO FULL. CLEANED AREA LEAK CKS GOOD. REMOVED AND REPLACED COALESCER BAGS AND PERFORMED FULL DUCT BURN OUT PER OPN 5089.