As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FS 409 + 128 VERTICAL POSTS AT LBL 18, INBD AND OTBD SIDES HAVE INDICATIONS NOTED IN THE AFT FLANGE RADII AT WL 69 APPROXIMATELY .250" LONG BY 60 PERCENT FSH. C-CHECK, STILL IN C-CHECK, REMOVED DISCREPANT VERTICAL POSTS FROM FS 409 + 128/LBL 18 AND INSTALLED NEW SERVICEABLE POSTS IAW SRM AND REO.