What was found
THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH THE PERMANENT REPAIRS OF CORROSION DAMAGE IN THE CENTER FUSELAGE III AFT CABIN FLOOR STRUCTURE BY REPLACEMENT OF THE FOLLOWING PART: P/N 1170-86125-001 FR89 RH FLOOR SPLICE REPLACEMENT OF PARTS WILL BE ACCOMPLISHED IN ACCORDANCE WITH EMBRAER PRODUCTION DRAWINGS LISTED IN TABLE 2 AND SRM PART II CHAPTER 51 PRINCIPLES. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT BE REQUIRED FOR DIRECT REPLACEMENT OF PARTS. BECAUSE THE CABIN FLOOR STRUCTURE IS PSE PER THE EMBRAER SRM AND ITS REPLACEMENT IS COMPLEX, ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED BY COMPASS ENGINEERING AS A MAJOR REPAIR. EO E175-53MR-488 IS BEING ACCOMPLISHED BY WO 2837261