As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C3 MAIN CABIN SURFACE CORROSION ON VERTICAL FLOORBEAM SUPPORT (AFT SIDE) STA 1746 AT C/L. REPAIRED VERTICAL FLOORBEAM SUPPORT AT STA 1746 AND BL-0 BY FABRICATION AND REPLACEMENT IAW SRM 51-01-21, DWG 5773846 AND SRM 51-01-20D.