What was found
DURING INSPECTION, FUSELAGE FUEL TANK TO WING TRANSFER FUEL FLEX HOSE LOCATED IN THE LOWER CENTER SECTION OF WING WAS DISCOVERED TO BE LEAKING FUEL. FLEX HOSE REMOVED AND ON INSPECTION, DISCOVERED THAT ON THE INSIDE OF THE RIGID PART OF THE FLEX HOSE WHERE THE BRACKET IS WELDED TO THE RIGID LINE, THERE WAS EVIDENCE OF BURN THROUGH THE RIGID LINE WHICH TYPICALLY OCCURS DURING WELDING. A NEW PART WAS INSPECTED BEFORE INSTALLATION AND IT SHOWED EVIDENCE OF THE SAME PROBLEM. PART REJECTED AS WELL.