What was found
DURING ACCOMPLISHMENT OF THE ISP MODIFICATION AT EAMS, DAMAGE WAS INCURRED ON THE CENTER FUSELAGE II STRINGERS 15L, 16L, AND 17L (P/N 170-12505-405, P/N 170-12505-405, P/N 170-12506-405) WHEN THE WRONG LOCATIONS WERE DRILLED. REFERENCE FIGURES 1-3 FOR DETAILS AND LOCATIONS. EAMS REQUESTED REPAIR DISPOSITION FROM RTS, WHO INSTEAD RECOMMENDED AN SRM SPLICE REPAIR BE ACCOMPLISHED. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF DAMAGE TO THE STRINGERS 15L, 16L, AND 17L BY SPLICING IN NEW SECTIONS OF THE STRINGERS PER SRM PART II 53-22-03/REPAIR 04. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE STRINGERS 15L, 16L, AND 17L ARE PSE AND THIS EO RESTORES STRENGTH. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT REQUIRED PER SRM PART II 53-22-03/REPAIR 04. EO E175-53MR-465 IS BEING ACCOMPLISHED BY WO 2781744