As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AFT WET AREA JUST ABOVE FLOOR BEAM BS 1016 RBL-6 FLOOR PANEL SUPPORT WEB SHOW EVIDENCE OF SURFACE CORROSION.MKD 126-09 ; / ITEM TO BE RESOLVED ON ITEM # TTG8Q004YQ6R. INSTALLED SUPPORT WEB AT AFT WET AREA BS 1018 RH PER REF B737-700 SRM 51-40-02-0G-0 AND DWG #147A5744.