As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT FLOORBEAM FS 409.00+128 TO 599.0 RBL 9 HAS CORROSION. (C-CHECK) RO 4/27/2020 REMOVED THE CORROSION, ENSURED REMAINING MATERIAL THICKNESS (NDT) - FOUND OUT OF LIMITS. RECEIVED ENGINEERING SUPPORT, COMPLIED WITH REO - PART IN LIMITS. REF REO.