What was found
DFW - CAPTAIN REPORTED, COULD NOT USE FUEL IN CENTER TANK. RETURNED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CENTER TANK AFT TRANSFER BOOST PUMP. SYSTEM GROUND CHECK NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DFW - CAPTAIN REPORTED, COULD NOT USE FUEL IN CENTER TANK. RETURNED DFW WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED CENTER TANK AFT TRANSFER BOOST PUMP. SYSTEM GROUND CHECK NORMAL OPERATION.