MT. Result : Found crack on toe weld of long seam weld length = 12.0 mm. and toe weld of nozzle 3" N6 length 7.0 mm., After removed crack on long seam weld by grinding out depth 5.0 mm, and conduct MT test was found crack length 18 mm. Weld of nozzle 3"N6 After removed crack on long seam weld by grinding out depth 4.0 mm, and conduct MT test result no indication was found