What was found
FOUND FS 409+128, LBL 18 INBD AND OTBD VERTICAL POSTS HAVE INDICATIONS NOTED IN AFT FLANGE RADIUS AT WL 69, BOTH APPROX .250" X 50 PERCENT FSH, FAILED NDT INSPECTION. REMOVED INBD AND OTBD VERTICAL POSTS AT STA FS 409+128 LBL 18 IAW SRM 51-42-06. INSTALLED INBD AND OTBD VERT POSTS AT FS 409+128 LBL 18 IAW REO 601R-53-41-889 AND SRM 51-42-06. LOCATED AND DRILLED INBD AND OTBD VERTICAL POST IAW 51-40-11.