What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIR OF CORROSION DAMAGE TO THE CROSSBEAM FRAME 17, PN 170-21769-405 UPPER FLANGE, REF ETD 2015-170-102533 & FIGURE 1 FOR DAMAGE DIMENSIONS & LOCATIONS. 1.50 INCHES X .85 INCH TO A MAXIMUM DEPTH OF 0.046 INCHES DEEP & 1.250 INCHES X 0.85 INCH TO A MAXIMUM DEPTH OF 0.062 INCHES DEEP. REQUESTED & RECEIVED A REPAIR IN THE FORM OF ETD 2015-170-102533 FOR THE ACCOMPLISHMENT OF THE CROSSBEAM REPAIR ANGLE INSTALLATION. BECAUSE THE FLOOR CROSSBEAM IS PSE & FCS, ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR. FOLLOW UP INSPECTIONS WILL BE ACCOMPLISHED ON EO E175-53MR-217.1 IAW ANAC DER FORM ATTACHED. ACCOMPLISHMENT OF THIS PERMANENT REPAIR IS ON EO E175-53MR-217 UNDER WO 1982805. REF 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 11. THRESHOLD IS COUNTED SINCE NEW.