As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SHORTLY AFTER TAKEOFF THE CREW NOTICED SMOKE IN THE CABIN. THEY RETURNED TO DEPARTURE AND LANDED SAFELY. INSP OF THE ACFT REVEALED OIL IN THE LT ENG INTERCOMPRESSOR CASE. THE ENGINE IS BEING REPLACED PRIOR TO THE ACFT BEING RETURNED TO SERVICE.