As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH FL 180 AFTER DEPARTING, AN OILY SMOKE AND ODOR RAPIDLY APPEARED IN THE COCKPIT AND CABIN. CREW DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE. LANDING WAS UNEVENTFUL. LEFT ENGINE WAS R & R DUE TO OIL BEARING SEAL FAILURE. A SUCCESSFUL OPS CHECK FLIGHT WAS PERFORMED. AIRCRAFT WAS RETURNED TO SERVICE.