What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) Pilot stated engine ran rough, then quit, on downwind to Lewistown, MT (klwt) runway 25. Forced landing fell short of pavement. Gear, prop and keel damaged when nose wheel struck 6" ledge from ground up to pavement at threshold on approach end of runway 25. Hln ado notified lwt airport manager t correct pavement problem. Examination of the aircraft on-scene by hln FSDO airworthiness inspector found no apparent physical explanation for the engine failure; fuel contamination considered as possible cause, but no evidence found. NTSB plans a more extensive examination of the engine and aircraft (date not yet set).
As the FAA filed it
(-23) PILOT STATED ENGINE RAN ROUGH, THEN QUIT, ON DOWNWIND TO LEWISTOWN, MT (KLWT) RUNWAY 25. FORCED LANDING FELL SHORT OF PAVEMENT. GEAR, PROP AND KEEL DAMAGED WHEN NOSE WHEEL STRUCK 6" LEDGE FROM GROUND UP TO PAVEMENT AT THRESHOLD ON APPROACH END OF RUNWAY 25. HLN ADO NOTIFIED LWT AIRPORT MANAGER T CORRECT PAVEMENT PROBLEM. EXAMINATION OF THE AIRCRAFT ON-SCENE BY HLN FSDO AIRWORTHINESS INSPECTOR FOUND NO APPARENT PHYSICAL EXPLANATION FOR THE ENGINE FAILURE; FUEL CONTAMINATION CONSIDERED AS POSSIBLE CAUSE, BUT NO EVIDENCE FOUND. NTSB PLANS A MORE EXTENSIVE EXAMINATION OF THE ENGINE AND AIRCRAFT (DATE NOT YET SET).
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.