As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCI FLIGHT 2484. SHORTLY AFTER TAKEOFF THE CREW REPORTED OPAQUE SMOKE IN THE CABIN WITH ELECTRICAL SMOKE. THE ACFT RETURNED TO MCI WHERE IT LANDED WITHOUT INCIDENT. MX R&R THE NR 2 ENGINE, OPS CHECKED WITH NO DEFECTS AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.