As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX- ON FLIGHT 2493 AFTER TAKEOFF GOT A LEFT TRANSFER SHUT OFF VALVE AMBER MESSAGE. NO CENTER TANK FUEL ABNORMALITIES NOTICED. AUTO TRANSFER APPEARED EXCESSIVE BUT NO ABNORMAL IMBALANCE OR ANY FUEL LOSS NOTED. APPROXIMITLY 15 MINUTES AFTER DEPARTURE LEFT TRANSFER SHUT OFF VALVE MESSAGE WENT OUT. REMOVED AND REPLACEDLEFT HAND FUEL TRANSFER SHUT OFF VALVE CARTRIDGE. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.