As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING FUEL TRANSFER, UNABLE TO TRANSFER FUEL OUT OF TANK NR 1 BELOW 1450 POUNDS WITH BOTH BOOST PUMP ON. ON F/E PANEL, LOW PRESSURE LIGHT CAME ON. AFTER INVESTIGATION, MAINTENANCE FOUND AT FUEL TANK NR 1, CHECK VALVE AT BOOST PUMP HOUSING CLOGGED BY FOREIGN OBJECT.VALVE REPLACED AND AIRCRAFT RETURNED TO SERVICE.