As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
JFK - AIR INTERRUPTED TO JFK DUE TO STRONG ODOR OF OIL AND SMOKE THROUGHOUT CABIN AND COCKPIT. LANDED JFK WITHOUT INCIDENT. PULLED COALESCER BAGS AND FOUND OIL. REPLACED LEFT AND RIGHT HAND PACK AIR CYCLE MACHINE AND COALESCER BAGS. SYSTEM GROUND CHECKED NORMAL OPERATION.