What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Pilot stated he had a loss of power on 7/8/2023 and ran rough after refueling on 7/11/2023. The pilot removed, cleaned, and replaced the spark plugs. On 7/12/2023 the privacy data omittedpilot stated the engine started normally and then skipped "a few' times as he taxied but ran normally after adjusting the fuel mix.
Multiple witness statements state the engine was running rough as the pilot began his takeoff roll. After rotation, the pilot lost power and crashed several hundred yards passed the end of runway.
Subsequent investigation showed the cause of engine failure of the #1 cylinder with a stuck exhaust valve.
As the FAA filed it
PILOT STATED HE HAD A LOSS OF POWER ON 7/8/2023 AND RAN ROUGH AFTER REFUELING ON 7/11/2023. THE PILOT REMOVED, CLEANED, AND REPLACED THE SPARK PLUGS. ON 7/12/2023 THE ^PRIVACY DATA OMITTED^PILOT STATED THE ENGINE STARTED NORMALLY AND THEN SKIPPED "A FEW' TIMES AS HE TAXIED BUT RAN NORMALLY AFTER ADJUSTING THE FUEL MIX.
MULTIPLE WITNESS STATEMENTS STATE THE ENGINE WAS RUNNING ROUGH AS THE PILOT BEGAN HIS TAKEOFF ROLL. AFTER ROTATION, THE PILOT LOST POWER AND CRASHED SEVERAL HUNDRED YARDS PASSED THE END OF RUNWAY.
SUBSEQUENT INVESTIGATION SHOWED THE CAUSE OF ENGINE FAILURE OF THE #1 CYLINDER WITH A STUCK EXHAUST VALVE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.