As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CENTER FS 617.00 BETWEEN RBL9 AND LBL9 CORROSION AT AFT FLOORBEAM SUPPORT TOP CAP UNDER FLOOR PANEL 281DLF. (C-CHECK) RO: 02/20/2019 REMOVED AND REPLACED VENT ASSY AND PACKER PN: 601R35235-61 WITH NEW VENT ASSY AND PACKER AT CENTER FS 617 BETWEEN RBL9 AND LBL9 AT AFT FLOORBEAM SUPPORT TOP CAP UNDER FLOOR PANEL 281DLF IAW SRM.