As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ONE HOUR AND 20 MINUTES INTO FLIGHT, NR 2 AFT LOW PRESSURE FUEL LIGHT ILLUMINATED. RAN QRH FUEL PUMP SWITCH OFF. CENTER TANK 5.01, NR 1 TANK 8.50, NR 2 TANK 8.63. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 AFT BOOST PUMP GFI RELAY IAW AMM 28-22-18. OPS CHECKED GOOD IAW AMM 28-22-41-720-802.