What was found
WITH FUEL IN CENTER TANK AND ALL FUEL PUMPS ON, FUEL STARTED FEEDING OUT OF NR 1 MAIN TANK CREATING AN IMBALANCE. GROUNDED - YES. ON DEFERRAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WITH FUEL IN CENTER TANK AND ALL FUEL PUMPS ON, FUEL STARTED FEEDING OUT OF NR 1 MAIN TANK CREATING AN IMBALANCE. GROUNDED - YES. ON DEFERRAL.