As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2784341) FWD WET AREA FLOOR STRUCTURE, INTERCOSTAL BETWEEN STA 328-344 LBL46 HAS CRACK. REMOVED FLOOR SUPORT CRACKED INTERCOSTAL IN STA 344 LBL 46 IAW B737 SRM 51-40-02. FABRICATED NEW AND INSTALLED INTERCOSTAL IAW B737 SRM 51-40-02 AND DWG# 141A5410 REV A.