What was found
AFT PIT BS 1130 SHEAR TIE HAS CORROSION ON LOWER FLANGE BETWEEN S27L AND 28L. FABRICATED SHEAR TIE. REMOVED AND REPLACED SHEAR TIE REF DWG 69-20813, SRM 51-30, OLD SHEAR TIE WAS BLENDED OUT OF LIMITS. ORIG "T" .050', .042 INCH REMAINING .008' MAT LOSS. THIS IS CLASSIFIED AS A MAJOR REPAIR.