As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: OIL ODOR CAN BE SMELLED THROUGHOUT CABIN AND COCKPIT. MAINTENANCE FOUND OIL LEAKING FROM APU DRAIN MAST REF MIC 1418556. ACCOMPLISHED WC/ 26L00021001 . CONFIRMED ODOR WAS FROM APU. BOTH ENGINE BLEEDS FOUND ODORLESS. APU DEFERED PER MIC 1418985. (OPEN)