As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
T/O & 5 MIN, OILY FUME SMELL FROM AIR CONDITIONING SYSTEM MORE NOTICEABLE IN COCKPIT LESSENED AT CRUISE ALTITUDE BUT STILL PROBLEMATIC. NO VISIBLE SMOKE.FOUND OIL LEAK FROM APU INGESTING IN INLET OF APU. REF APU DEFERRAL M694130 CLEANED AND CHANGED #1, #2, #3 CONICAL COALESCER BAG AND CLEANED AIR CONDITIONING PACK SYSTEM NO ODOR AT THIS TIME.