As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT LBL 27 AFT CARGO FLOOR SUPPORT STRUCTURE HAS CORROSION (EXFOLIATION) AT NUT PLATE HOLE LOCATION BETWEEN FS621 TO FS 605.00. (C-CHECK) RO: 09/11/2018. LOCATED, DRILLED AND INSTALLED NEW CARGO FLOOR SUPPORT BETWEEN FS605-FS621 AT LBL 27 IAW REO.