As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:A/CK, CORROSION FOUND AT THE FLOORBEAM BY THE LT SERVICE DOOR. UPON FURTHER INVESTIGATION THE LT CIRCUMFERENTIAL FRAME AT STA 1667 FROM STR 21 TO STR 23 TO HAVE EXTENSIVE CORRISION. *S/D* REMOVED LOWER SECTION OF FRAME, FABED SPLICES AND INSTALLED PARTS PER SRM 53-02-00.