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-18 CHECK A .5 INCH CRACK WAS FOUND ON L-1 DOOR (INTERIOR) FORWARD INTERCOSTAL CLIP (SHEAR TIE) AT BS 294.5, STR 11 LT. MAINTENANCE REMOVED CRACKED INTERCOSTAL SHEAR TIE AT L-1 DOOR BS 294.5, STR 11 LT; FABRICATED A NEW REPLACEMENT SHEAR TIE PER DWG 66-14210; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIG 4.