Incident
On an unspecified date, an aircraft experienced an engine failure during the final approach phase of flight. The pilot subsequently attempted to land the aircraft on a road. During the landing attempt, the aircraft collided with trees.
Investigation
An inspection of the aircraft revealed that the adjusting screw on the engine-driven fuel pump had backed out approximately eight turns. A bench test of the fuel pump showed that the fuel flow from the outlet was higher than the limits specified by the manufacturer. The excessive flow was attributed to the counter-clockwise rotation of the adjusting screw.
Findings
A Federal Aviation Administration (FAA) inspector opined that the engine could possibly quit if the mixture control were placed in the full rich position, as is typical during approach, due to the excessive fuel resulting from the backed-out screw.
No further details regarding the aircraft type, registration, engine count, date, operator, location, occupants, injuries, damage items, time of day, weather conditions, or air traffic control involvement were provided in the source material.