As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FILTERS, LT AND RT ENGINE LOW FUEL PRESSURE LIGHT CAME ON DURING ENGINE POWER RUN. REPLACED LOW PRESSURE FUEL FILTERS AND REMOVED CUSTOMER FURNISHED FILTER FROM MFG NOTIFIED CUSTOMER OF MALFUNCTION AND RECOMMENDED NOT TO USE FUEL FILTERS FROM CERTAIN MFG. BOTH ENGINES OPS AND LEAK CHECKED GOOD ON ENGINE PERFORMANCE RUN.