As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT REPORTED HEAVY FLUCTUATIONS ON ALL PARAMETERS OF ENGINE NR 1. AFTER REPLACING VARIOUS ENGINE FUEL AND IGNITION COMPONENTS, ENGINE FLAMED OUT DURING GROUND RUNUP. FOUND DRY PRC RESIDUE IN DROPLET FORM CLOGGED IN FEEDER TANK JET PUMP. BOTH AIRFRAME FEEDER JET PUMPS WERE REMOVED, CLEANED AND REINSTALLED.