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-20 CHECK A .3125 INCH CRACK WAS FOUND ON STRINGER TIE CLIP AT BS 277, STR 10 RT. MAINTENANCE REMOVED CRACKED STRINGER TIE CLIP AT BS 277, STR 10 RT; FABRICATED A NEW REPLACEMENT TIE CLIP PER DWG 69-36600; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 12 PG 1.