MT. Result : Found crack on weld toe of long seam weld length 12.0 mm. and weld toe 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