What was found
BS 409+128, BL 0, RT VERTICAL POST HAS AN INDICATION IN THE AFT FLANGE RADIUS AT WL 69, .250" L BY 80% FSH & LT POST HAS AN INDICATION IN THE AFT FLANGE RADIUS AT WL 69, .252" L BY 80% FSH. FAILED NDT INSPECTION. R & R BS 409+128 BL 0 POST ASSEMBLY IAW SRM 51-42-06 & REO 601R-53-41-889 REV A. THIS IS A MAJOR REPAIR.