As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
45 MINUTES INTO THE FLIGHT, BEGAN TO NOTICE AN OIL SMELL IN THE CABIN WITH NO OTHER ABNORMAL INDICATIONS. UPON COMMENCING OUR INITIAL DECENT, BEGAN TO HAVE MODERATE ENVIRONMENTAL SMOKE IN THE CABIN & THE BLEED OVERHEAT LIGHT CAME ON AGAIN. WE COMPLETED THE SMOKE IN THE CABIN.