What was found
UNWANTED FUEL TRANSFER IN FLIGHT FROM LEFT MAIN TO CENTER TANK. ACCOMPLISHED FAULT ISOLATION PROCEDURE PER MM 28-12-00-818-801 AND RESULTS WERE *NO FAULTS FOUND*. ACCOMPLISHED VISUAL STATIC CHECK OF CENTER FUEL TANK RESULTING IN -NO DEFECTS-. TRANSFERED APPROXIMATELY 2000 LBS OF FUEL INTO CENTER TANK AND VERIFIED DRIPSTICK READINGS IN RELATION TO FUEL INDICATIONS RESULTING IN -DRIPSTICK READINGS AND FUEL QUANTITY INDICATIONS CORRECT-. ENGINEERING WILL CONTINUE TO MONITOR AND TO DATE NO ISSUES REGARDING UNWANTED FUEL TRANSFER.