As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - DURING C-16 CHECK A .5 INCH CRACK WAS FOUND IN STRINGER TIE CLIP AT BS 767, STR 20 RT. MAINTENANCE REMOVED CRACKED STRINGER TIE CLIP AT BS 767, STR 20 RT; FABRICATED A NEW REPLACEMENT TIE CLIP PER DWG 65-46549; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.