As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN FLOOR PANEL 241ACF HAS 4EA CORRODED INSERTS AND 1EA BROKEN OUT INSERT. 124-050 / [01] PANEL IS OUT OF LIMIT AS PER B737 SRM 53-00-50-2R-1;[02] RECEIVED NEW CABIN FLOOR PANEL 241ACF (P/N: 147A5810-13). REF TASK CARD: TTG8Q00CS12W FOR PANEL INSTALLATION.;[03] VERIFIED STEPS 1 AND 2.