As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKED INTERCOSTAL FLANGE AT BS 348 S16L & ALSO A CRACKED ANGLE STIFFENER AT SAME LOCATION BS 348L. CRACKED INTERCOSTAL FLANGE AT STA 348 LEFT STRINGER 16 & CRACKED ANGLE STIFFENER AT SAME LOCATION 348 LEFT. REPLACED IAW BOEING 737 SB 737-53A1240 REV 1, ALL FASTENERS INSTALLED IAW B737 SRM 51-30-02 REV 105.