As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AFT CARGO LATERAL FLOOR SUPPORT STRAP STA 767+6 LBL 21 TO RBL 21 HAS CORROSION. [DOT 124-017] / FOUND DEEP CORROSION AROUND FASTENER OUT OF LIMITS AT AFT CARGO LATERAL FLOOR SUPPORT STA 767+6 FROM LBL 21 TO RBL 21 REMOVED FLOOR SUPPORT AND INSTALLED NEW AS PER REF. B737-700 SRM 51-40-02-0G-0 AND DWG # 146A9401