As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION *** FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL UPPER CAP CORRODED THRU @ LBL 11 BETWEEN STA 294.5 AND STA 312 MKD DOT<[01] REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN FLOOR STRUCTURE BETWEEN STA 294.5 AND STA 312 LBL 11 PER B737-700 SRM 51-40-02-0G-0 AND DRWG#141A5600.;[02] RII -- VERIFIED.