What was found
DURING THE B6 BASIC CHECK AT EAMS, CORROSION DAMAGE WAS DISCOVERED ON THE REAR FUSELAGE LOWER FRAME 91 (P/N 170-60377-005) DURING INSPECTION IN THE AREA. EAMS REQUESTED AND RECEIVED APPROVED REPAIR DISPOSITION FROM RTS IN THE FORM OF ETD2019-170-124462-A AND ITS CORRESPONDING ANAC DER FORM. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF CORROSION TO THE FRAME 91 BY SPLICING IN A NEW SECTION OF THE FRAME PER ETD2019-170-124462-A. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE FRAME 91 IS A PSE AND THIS EO IS RESTORING STRENGTH. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT REQUIRED PER ETD2019-170-124462-A. EO E175-53MR-450 IS BEING ACCOMPLISHED BY WO 2729051