What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIRS OF CORROSION DAMAGE TO THE FOLLOWING AFT CARGO FRAME ATTACHING STRUCTURE. SHEAR TIE PN 170-66868-001 & SHEAR TIE PN 170-66674-001 - PERMANENT REPAIR BY REPLACEMENT. SUPPORT PN 170-66350-001, SUPPORT PN 170-66350-002, SUPPORT PN 170-66354-001, SHEAR TIE PN 170-66017-002, SHEAR TIE PN 170-66033-001, SHEAR TIE PN 170-66065-001, & SHEAR TIE PN 170-66901-001 PERMANENT REPAIR BY BLEND OUT. PERMANENT REPAIRS BY REPLACEMENT ARE ACCOMPLISHED IAW DWGS LISTED IN TABLE 2 & SRM CHAPTER 51 PRINCIPLES. REF ATTACHED FIGURES IDENTIFYING DAMAGE LOCATIONS & DIMENSIONS. SUPPLEMENTAL FOLLOW UP INSPECTIONS WILL NOT BE REQUIRED DUE TO THE DIRECT REPLACEMENT OF THE STRUCTURE. PERMANENT REPAIRS BY BLEND OUT ARE ACCOMPLISHED IAW ETD 2015-170-017891A & NO SUPPLEMENTAL FOLLOW UP INSPECTIONS ARE REQUIRED WITH THIS SUBJECT DAMAGE. ENGINEERING HAS CLASSIFIED THIS REPAIR AS A MAJOR REPAIR. ACCOMPLISHMENT OF THIS MAJOR REPAIR WAS ON EO E175-53MR-160 UNDER WO 184701.