As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR BEAM AT LBL 9 UPPER INBOARD FLANGE IS CORRODED AT MULTIPLE LOCATIONS BETWEEN FS 409+128 TO FS 559. C-CHECK RO 10/18/2020. REPAIRED FLOORBEAM, IAW REO. WEIGHT CHANGE +1.55 LB. MAJOR REPAIR TASK & FORM M337 COMPLETED AND ATTACHED. REFER TO CONTINUE CARD FOR WORK PERFORMED.