As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-15 CHECK A .375 INCH CRACK WAS FOUND IN STRINGER CLIP AT BS 663.75, STRINGER 10 RT. MAINTENANCE REMOVED CRACKED STRINGER CLIP AT BS 663.75, STRINGER 10 RT; FABRICATED A NEW REPLACEMENT CLIP PER DWG 69-41437; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02 FIGS 8 & 12.