What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIR OF CORROSION DAMAGE TO THE CROSSBEAM FRAME 14 UPPER FLANGE, REF ETD2015-170-071303A, & FIGURES FOR DAMAGE DIMENSIONS & LOCATIONS, 35 INCHES X .70 INCH TO A MAXIMUM DEPTH OF .047 INCH DEEP, 6.30 INCHES X .90 INCH TO A MAXIMUM DEPTH OF .047 INCH DEEP & 1.35 INCHES X .80 WITH 100% MATERIAL LOSS CUT-OUT. REQUESTED & RECEIVED A REPAIR IN THE FORM OF ETD2015-170-071303A FOR THE ACCOMPLISHMENT OF THE CROSSBEAM FRAME 14 REPAIR ANGLE APPROVAL. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR. FOLLOW UP INSPECTIONS WILL BE ACCOMPLISHED ON EO E175-53MR-202.1 IAW ANAC DER FORM ATTACHED. REFERENCE TASK 53-10-027-0001, INTERNAL GVI THRESHOLD OF 25,202FC, INTERVAL OF 25,202FC IS SUFFICIENT & IS MET USING THE INSPECTION REQUIREMENTS, MPG & MRBR REVISION 10. THRESHOLD IS COUNTED SINCE NEW. ACCOMPLISHMENT OF THIS MAJOR REPAIR IS ON EO E175-53MR-202 UNDER WO 1941725.