What was found
LEFT ENGINE FUEL FILTER WARNING CAME ON DURING FLIGHT. THE PROBLEMS CANNOT BE DUPLICATED AND VISUAL INSPECTION OF FILTERS INDICATED NO UNUSUAL DEBRIS. REPLACED THE FUEL FILTERS AND FUEL PRESSURE SWITCHES FOR TROUBLESHOOTING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENGINE FUEL FILTER WARNING CAME ON DURING FLIGHT. THE PROBLEMS CANNOT BE DUPLICATED AND VISUAL INSPECTION OF FILTERS INDICATED NO UNUSUAL DEBRIS. REPLACED THE FUEL FILTERS AND FUEL PRESSURE SWITCHES FOR TROUBLESHOOTING.