As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: PILOT REPORTS BOTH WING TANKS FEED 400 LBS THEN STOP WITH CENTER FUEL PUMPS ON. AFTER FEEDING 400LBS OUT OF WINGS, ALL FUEL FEED IS OK. MAINTENANCE ACCOMPLISHED WORK CARD 28-26-00, OPS CHECK GOOD. ALSO ACCOMPLISHED FQIS BITE TEST NO FAULTS OK FOR SERVICE.