As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED. YYZ-DFW FLIGHT DIVERTED TO STL ACCOUNT CENTER TANK FUEL BOOST PUMP WAS INOPERATIVE. CENTER FUEL PRESSURE LOW LIGHT ILLUMINATED. REMOVED AND REPLACED FORWARD FUEL BOOST PUMP PER AMM 28-20-07 (AALA20170828005) AND UNIVERSAL FAULT INTERRUPTER CENTER ASSEMBLY PER AMM 28-20-28. OPERATIONAL CHECK GOOD.