As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AROUND 2 NUTPLATES UNDER FLOORBOARD 251ALF ON RBL9 AND AT FS 409+16 AND FS 409+32. REMOVED CORROSION IAW SRM 51-21-06. REMOVED .023 MATERIAL THICKINESS .063" FOUND TO BE OUT OF LIMITS IAW SRM 53-00-00. C/W REO 601R-53-21-064.