What was found
PDX -C4- CORROSION ON STR 24P FROM AFT SIDE OF FRAME AT STA X488 TO APPROXIMATELY STA X522, LT UNDER FLOOR. REMOVED CORROSION IAW D-8 200 CPCM CHAPTER 4. HFEC INSPECTED BLEND AREA FOR CRACKS IAW D-8 200 NDTM PART 6, 51-00-01, NO CRACKS NOTED. UT THICKNESS CHECK OF BLENDED AREA IAW -8 200 NDTM PART 1, 51-00-04 HIGH .071 LOW .064. BLENDED AREA FOUND WITHIN LIMITS IAW SRM 51-20-11 WITH .007" MATERIAL REMOVED.