As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE ENG OVERHAUL SHOP PERFORMED A COMPLETE TEAR DOWN & EVALUATION OF THE ENG DUE TO METAL IN THE OIL FILTER. TEAR DOWN REPORT SHOWED NO VISIBLE CAUSE FOR THE METAL IN THE FILTER. ALL INTERNAL COMPONENTS WERE SATISFACTORY. REASSEMBLED ENG. DURING TEST CELL RUN FOUND THE ENG DRIVEN FUEL PUMP HAD LOW OUTPUT PRESS. REPLACED THE ENG DRIVEN FUEL PUMP & THE ENG RUNS WERE SATISFACTORY. THE ENG OIL FILTERS WERE INSPECTED NO METAL WAS PRESENT.