As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT LEVEL OFF, #1 AFT FUEL PUMP "LOW PRESSURE" LIGHT ILLUMINATED. GROUNDED - YES. PERFORMED B737-800 FIM 28-22 TASK 803 FOUND GFI "POPPED", RESET GFI AND RETESTED BOOST PUMP - NO HELP - LEFT #1 AFT GFI "POPPED". REPLACED #1 AFT FUEL BOOST PUMP PER B737-800 AMM 28-22-41. OPS CHECK AND LEAK CHECK GOOD. A/C RETURNED TO NORMAL CONFIG.