What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot reported smoke in cockpit and engine trouble; aircraft was seen trailing dark smoke on two mile final. Aircraft rolled to a stop on runway 11L at bjc, the pilot hopped out and began openning the cowling. ARFF responded but did not extinguish any fire nor was the pilot and passenger transported. The aircraft showed no apparent damage. Initial reports indicated the pilot was in and out of conciousness. Further investigation disclosed this was not the case. According to the pilot the cause of problem was a turbocharger failure.
As the FAA filed it
(-23) PILOT REPORTED SMOKE IN COCKPIT AND ENGINE TROUBLE; AIRCRAFT WAS SEEN TRAILING DARK SMOKE ON TWO MILE FINAL. AIRCRAFT ROLLED TO A STOP ON RUNWAY 11L AT BJC, THE PILOT HOPPED OUT AND BEGAN OPENNING THE COWLING. ARFF RESPONDED BUT DID NOT EXTINGUISH ANY FIRE NOR WAS THE PILOT AND PASSENGER TRANSPORTED. THE AIRCRAFT SHOWED NO APPARENT DAMAGE. INITIAL REPORTS INDICATED THE PILOT WAS IN AND OUT OF CONCIOUSNESS. FURTHER INVESTIGATION DISCLOSED THIS WAS NOT THE CASE. ACCORDING TO THE PILOT THE CAUSE OF PROBLEM WAS A TURBOCHARGER FAILURE.