As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURN BACK DUE TO FUEL 1 FEED FAULT. MOTIVE FLOW PUMP 1 RED X DISPLAY. AIRCRAFT LANDED WITHOUT INCIDENT.REPLACED LH WING ENGINE FEED CHECK VALVE. REPLACED LH FUEL TANK VENT TUBE DRAIN VALVE FOUND BROKEN OFF IN FUEL TANK. PERFORMED HIGH POWER ENGINE RUN AND MOTIVE FLOW NO LONGER DISPLAYS RED X . OPS CHECK AND LEAK CHECK GOOD.