As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON T/O, NOTICEABLE OILY ODOR FROM AIR CONDITIONING SYSTEM, NO VAPOR OR SMOKE. BOTH ENGINE COMPRESSORS WERE WASHED PRIOR TO THIS FLIGHT. MAINTENANCE RAN BOTH ENGINES AND APU INDEPENDENTLY WITH PACKS FULL HOT AND COLD - NO ODORS DETECTED.