As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO FLOOR SUPPORT AT 25R 'Z' CHANNEL IS CORRODED AT 727C TO 767. REMOVED AND REPLACED 'Z' CHANNEL FOR AFT CARGO COMPARTMENT FROM STA 727 STA 767 AS PER B737 SRM 514002060 AND DWG REF 146A 7502 VERIFIED SQUEEZED OUT AND 100% FASTENER INSTALLATION AS PER B737 SOPM 205019