As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENROUTE AFTER POWER CHANGES, WOULD GET A BURNING OIL ODOR. BECAME MORE REGULAR. BY THE TIME OF LANDING, THE CABIN FILLED WITH SMOKE. TRIED ADJUSTING CABIN PACK TEMP UNSUCCESSFULLY. REMOVED AND REPLACED CABIN ACM IAW MM 21-50-00. OPS AND LEAK CHECKED GOOD.