What was found
LCQ - MAJOR REPAIR - DURING C-12 CHECK A .375 INCH CRACK WAS FOUND IN STRINGER SHEAR TIE AT BS 500A, STR 16 LT. MAINTENANCE REMOVED CRACKED STRINGER SHEAR TIE AT BS 500A, STR 16 LT; FABRICATED A NEW REPLACEMENT SHEAR TIE PER DWG 69-35350; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02, PARA 7.