What was found
CORROSION AROUND FASTENER HOLES IN THE MAIN CARGO FLOOR STRUCTURE SHEAR WEB UPPER CHORD UPPER SURFACE B.S.1681 RBL.12. REMOVED CORROSION, MATERIAL LOSS .027", REMAINING MAT. .044" OUT OF LIMITS IAW B757 SRM 53-00-51-1A DETAIL II, CUT-OUT DAMAGE, FABRICATED AND INSTALLED DOUBLER REPAIR IAW B757 SRM 53-60-51-2R REPAIR 2 ALT.II, TO AFT SHEAR WEB B.S. 1681 RBL12 ,MAIN CABIN .ADDITIONAL CORROSION FOUND ON LOWER SURFACE OF SHEAR WEB AFTER UT INSPECTION. FOUND DAMAGE TO BE 100% MATERIAL LOSS IAW B757 SRM 51-10-02-0G.