As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB THROUGH 17000 OBSERVED THE #2 MAIN FUEL TANK FWD LOW PRESSURE LIGHT ILLUMINATED. AT THE TIME THE ENGINES WERE FEEDING FROM CENTER TANK, THE #2 MAIN FUEL TANK WAS FULL AT 8.7. RAN FUEL PUMP LOW PRESSURE QRH. GROUNDED - YES. REMOVED AND REPLACED #2 FWD BOOST PUMP REF B737-800 AMM 28-22-41. OPS AND LEAK CHECK NORMAL. ETOPS GROUND VERIFICATION SUCCESSFUL.