As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
STL - CREW REPORTED SMOKE IN CABIN DUE TO POSSIBLE BIRD STRIKE. EMERGENCY DECLARED FLIGHT RETURNED STL LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. ACCOMPLISHED BOROSCOPE WITH NO DAMAGED NOTED. REPLACED SEPARATOR BAG AND PERFORMED PACK BURN. SYSTEM GROUND CHECK NORMAL OPERATION.