What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIR OF CORROSION DAMAGE TO THE CENTER FUSELAGE III FLOOR STRUCTURE RT INBD SEAT TRACK P/N 170-86082-003. ACCOMPLISHMENT OF THIS TRACK SPLICE REPAIR WILL BE PER ETD2016-170-106119B AND THE PRINCIPLES OF SRM PART II 53-00-10/REPAIR 01P. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE SEAT TRACK IS A PSE AND THIS EO IS RESTORING STRENGTH. EO E175-53MR-331.1 WILL BE ISSUED TO ACCOMPLISH FOLLOW UP INSPECTIONS [REF: TASK 53-23-005-0001 (INTERNAL GVI THRESHOLD OF 20,483 FC OR 27,242 FH, INTERVAL OF 10,133 FC OR 13,476 FH) IS SUFFICIENT AND IS MET USING THE INSPECTION REQUIREMENTS: MPG/MRBR REVISION 12. THRESHOLD IS COUNTED SINCE NEW.] THE PERMANENT REPAIR WILL BE ACCOMPLISHED ON WO 2194349.