As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LCQ - MAJOR REPAIR - DURING C-19 CHECK A .875 INCH CRACK WAS FOUND IN STRINGER SHEAR TIE BS 500A, STR 16 RT. MAINTENANCE REMOVED DAMAGED STRINGER SHEAR TIE CLIP AT BS 500A, STR 16 RT; FABRICATED A NEW REPLACEMENT SHEAR TIE PER DWG 69-35350; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.