As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) FLIGHT CREW SNAGGED THE AIRCRAFT TO HAVE OILY HAZE IN CABIN FROM HEAT DUCTS. MAINTENANCE RAN AIRCRAFT AND FOUND LOW AIR FLOW FROM THE LH BLEED AIR. THE COOLING TURBINE WAS SEIZED AND REPLACED AND AIRCRAFT RETURNED TO SERVICE AFTER SERVICEABLE GROUND RUN.