As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO RBL 9 AND RBL 27 FLOORBEAMS HAVE MULTIPLE AREAS OF CORROSION ON TOP OF BEAMS BETWEEN FS 1007 TO FS1064 ON RBL 9 AND FS 1060 TO FS 1075 ON RBL 27.0. IAW SRM 53-61-43-101-001-A01 NO DAMAGE ALLOWED TO FLOOR BEAMS IN THIS LOCATION REQUIRES ENGINEERING REPAIR. REPAIRED RBL 9 AND RBL 27 AFT CARGO FLOORBEAMS IAW REO 670-53-61-1625 REV-- DATED 2019-12-23.