What was found
FS 409+128, BL 0 LT VERTICAL POST HAS AN INDICATION NOTED IN THE AFT FLANGE RADIUS AT WL 69, .250" LONG BY GREATER THAN 50% FSH. FAILED NDT INSPECTION. CONTINUATION CARD 8798015 OP 42. REPLACED VERTICAL POST AT FS 409+128, BL 0 LT SIDE IAW SRM 51-42-06, 51-40-11, 51-42-22, & REO 601R-53-41-8889 REV A.