What was found
DURING ANNUAL INSP, FOUND SMALL FUEL LEAKS ORIGINATING FROM PIN-HOLE SIDE VOIDS IN WELD BEADS FROM TANK MANUFACTURING. FOUND 1 LEAK PER TANK AT DIFFERENT LOCATIONS. INNER TANK PN DA41-2817-10-001, SN 1340, LEAK FOUND BELOW LOW LEVEL SENSOR BOSS WELD BEAD. MIDDLE TANK - PN DA4-2817-20-0071, SN 0670, LEAK FOUND ON OUTLET COLLAR WELD BEAD. OUTER TANK - PN D41-2807-30-00, SN 0469, LEAK FOUND ON PERIMETER WELD BEAD FOR INNER END CAP. RECOMMENDED REPAIR WOULD REQUIRE SPOT WELD OVER VOID. THIS ACFT RECEIVED WARRANTY REPLACEMENT TANKS FOR CORRECTIVE ACTION. (K)