As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF FROM CMH A STRONG BURNING ODOR WAS NOTICED BY THE CREW AND THERE WAS A HAZE FILLING THE CABIN. THE CREW ELECTED TO CALL ATC AND REQUEST A DIVERSION BACK TO CMH. AFTER EXPLAINING PROBLEM AIRCRAFT WAS CLEARED TO LAND. LANDING WAS NORMAL. PROBLEM WAS FOUND TO BE THE ENGINE HAD A FAILED SEAL AND OIL WAS BEING PICKED UP IN THE COMPRESSOR. THE ENGINE WAS CHANGED.