As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BEFORE ENGINE START WITH CENTER FUEL, DURING PRE START FLOW, CENTER WING PUMPS INDICATED ON (NO PRESSURE LIGHT) AND NO CENTER WING PUMP EICAS. MECHANIC RESET FUEL SWITCH AND INDICATIONS APPEARED NORMAL. CLEANED AND ADJUSTED FUELING DOOR PROX SWITCH IAW AMM 28-21-09. SYSTEM OPERATES NORMAL.