As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BTV---CO2942, CREW REPORTED (ON APPROACH) "#2 PACK OVERHEAT CAUSED SMOKE IN CABIN." AND "#2 ENGINE-OIL PRESSURE DROPPED. ENGINE SHUTDOWN IN FLIGHT." LANDED UNEVENTFULLY....MAINTENANCE FOUND ENGINE OIL IN PACK WHICH CAUSED SMOKE IN CABIN, REMOVED AND REPLACED #2 ENGINE IAW TASK CARD #2272001. OPS. AND LEAKED CHECKED GOOD. AIRCRAFT RETURNED TO SERVICE.