As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
**CORROSION** AFT CABIN WET AREA FLOOR STRUCTURE AT STA # 992-993 RBL-7; WITH SPOTS OF SURFACE CORROSION. DOT # 208-36 WL 208.1 / REMOVED AND INSTALLED NEW INTERCOSTAL BETWEEN STA 986.5 AND STA 1006 RBL-7 IAW B737-700 SRM 51-40-02-0G-0; AND DRAWING 147A5730