As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-18 CHECK, A 5/8 INCH CRACK WAS FOUND IN FORWARD CABIN STRINGER 14 LT AT BS 354. MAINTENANCE REMOVED CRACKED SECTION OF STRINGER 14 LT AT BS 354; FABRICATED A NEW REPLACEMENT SECTION OF STRINGER; INSTALLED REPAIR PART IAW B737-300 SRM 51-40-02.