As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN STA 333.45 BETWEEN LBL 45.5 - LBL 58.22 FLOOR SUPPORT CORRODED. REMOVED CORR ON FLOOR SUPPORT (STUB BEAM) WITH 100% MAT LOSS OUT OF LIMITS FABRICATED AND INSTALLED NEW SUPPORT (STUB BEAM) AT STA 333.45 LBL 45.5 TO LBL 69.10 IAW DWG 141N5110 REV B.