As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL 2 FEED FAULT, APPEARED WHEN CLIMBING THROUGH FL400. NO OTHER MESSAGES APPEARED. WHEN PULLING UP THE FUEL SCHEMATIC WE SAW THAT JET PUMP INDICATOR HAD A YELLOW X OVER IT AND WAS BEING FED BY THE ELECTRIC FUEL PUMP. REPLACED PRESSURE SWITCH. OPS CHECK GOOD. IAW AMM 28-45-01.