What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) The aircraft was enroute from pierre, SD to indianapolis, in at 23000 ft when the cabin started to fill with smoke. The pilot declared an emergency 20 miles northeast of Peoria, IL at 302120Z. The aircraft diverted to the Greater Peoria Airport (kpia) and landed on runway 13 without incident. The aircraft taxied off the runway (not clear of the runway) and the 5 persons on board deplaned the aircraft. Emergency equipment was at the scene. Inspection of the aircraft by byerly aviation revealed that the cabin ventilation blower had failed.
As the FAA filed it
(-23) THE AIRCRAFT WAS ENROUTE FROM PIERRE, SD TO INDIANAPOLIS, IN AT 23000 FT WHEN THE CABIN STARTED TO FILL WITH SMOKE. THE PILOT DECLARED AN EMERGENCY 20 MILES NORTHEAST OF PEORIA, IL AT 302120Z. THE AIRCRAFT DIVERTED TO THE GREATER PEORIA AIRPORT (KPIA) AND LANDED ON RUNWAY 13 WITHOUT INCIDENT. THE AIRCRAFT TAXIED OFF THE RUNWAY (NOT CLEAR OF THE RUNWAY) AND THE 5 PERSONS ON BOARD DEPLANED THE AIRCRAFT. EMERGENCY EQUIPMENT WAS AT THE SCENE. INSPECTION OF THE AIRCRAFT BY BYERLY AVIATION REVEALED THAT THE CABIN VENTILATION BLOWER HAD FAILED.