As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LOSS OF ENGINE THROTTLE RESPONSE FOLLOWED BY AN UNCOMMANDED ENGINE SHUTDOWN ON THE TAXIWAY PRIOR TO TAKEOFF. THE AIRCRAFT FUEL SYSTEM WAS CHECK FOR CONTAMINATION WITH NO APPRECIABLE WATER OR DEBRIS FOUND IN WING TANKS OR RESERVOIR. FIREWALL FUEL FILTER ASSEMBLY VISUALLY CHECKED WITH NO APPRECIABLE CONTAMINATION IN THE SCREEN AND THE FILTER BYPASS INDICATOR FOUND IN THE NORMAL POSITION. ENGINE DRIVEN FUEL PUMP INLET SCREEN AND MAIN FILTER CHECKED WITH NO APPRECIABLE CONTAMINATION NOTED.