What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On June 5, 2001, at 1430 hours, a Cessna 421 (cfgdu) owner and operated by canadian pilot david haines landed at MDT airport in Middletown, PA. Upon landing, all the gear collapsed. This flight was conducted under FAR part 91 in visual meteorological conditions. The aircraft received minor damage and there were no injuries. Pilot haines stated that he had smoke in the cockpit, and turned off the master switch. After entering the pattern, he turned on the master switch to lower the gear. The cockpit again filled with smoke. He turned the master off, and continued to lower the gear manually. Upon landing, the gear collapsed. Investigation revealed the smoke may have been caused by the heater.
As the FAA filed it
(-23) ON JUNE 5, 2001, AT 1430 HOURS, A CESSNA 421 (CFGDU) OWNER AND OPERATED BY CANADIAN PILOT DAVID HAINES LANDED AT MDT AIRPORT IN MIDDLETOWN, PA. UPON LANDING, ALL THE GEAR COLLAPSED. THIS FLIGHT WAS CONDUCTED UNDER FAR PART 91 IN VISUAL METEOROLOGICAL CONDITIONS. THE AIRCRAFT RECEIVED MINOR DAMAGE AND THERE WERE NO INJURIES. PILOT HAINES STATED THAT HE HAD SMOKE IN THE COCKPIT, AND TURNED OFF THE MASTER SWITCH. AFTER ENTERING THE PATTERN, HE TURNED ON THE MASTER SWITCH TO LOWER THE GEAR. THE COCKPIT AGAIN FILLED WITH SMOKE. HE TURNED THE MASTER OFF, AND CONTINUED TO LOWER THE GEAR MANUALLY. UPON LANDING, THE GEAR COLLAPSED. INVESTIGATION REVEALED THE SMOKE MAY HAVE BEEN CAUSED BY THE HEATER.