As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX - FLIGHT 2495 - DURING CRUISE FLIGHT, THE LEFT FUEL TANK DECREASED IN FUEL QUANTITY 3 TIMES FASTER THAT THE FIGHT TANK. THE CREW ALSO RECEIVED A XFLOW PUMP CAUTION MESSAGE. MAINTENANCE INSPECTED THE AIRCRAFT AND REPLACED THE XFLOW PUMP CARTRIDGE. THE SYSTEM LEAK CHECKS AND OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RETURNED TO SERVICE.