As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS NOT GROUNDED: CONTROL VALVE TRANSFER FAULT. LEFT CENTER PUMPS SHOW INOPERATIVE ON FUEL PAGE BUT NO LIGHTS ON FUEL PANEL. SWITCHED TO MAN MODE + USED X FEED . LEFT CENTER PUMPS SHOWED XS UNTIL TOP OF DESCENT AND THEN SHOWED NORMAL INDICATION.. MAINTENANCE REPLACED FUEL CONTROL -VALVE ACTUATOR PER AMM 28-26-51 AND ACCOMPLISHED A SATISFACTORY OPERATIONAL CHECK.