Accident Overview
The pilot initiated a go-around at an altitude between 50 and 75 feet above ground level because the aircraft was carrying excessive airspeed. As the pilot applied full throttle, the engine unexpectedly reduced to idle power. The pilot then turned the aircraft toward a nearby street, but the airplane subsequently impacted terrain approximately half a mile from the departure airport.
Engine Examination
Following the accident, a teardown inspection of the engine was conducted by the Safety Board. The examination revealed that the throttle linkage was disconnected. Specifically, the bolt that secures the throttle cable to the throttle control rod end bearing was found protruding from the extension sleeve by only two threads. This condition prevented proper throttle control.
Maintenance History
According to available records, the aircraft had flown only about one hour since its annual inspection earlier in the same month. No mechanical issues had been reported by the pilot prior to the accident sequence.
Probable Cause
The investigation did not assign a probable cause.