What was found
DURING BASIC CHECK AT EAMS, CORROSION WAS DISCOVERED ON THE CENTER FUSELAGE III STRINGER 23L BETWEEN FR88/FR89 (P/N 170-91900-001) DURING INSPECTION IN THE AREA. REFERENCE ETD2019-170-158395-A FIGURE 1 FOR DETAILS AND LOCATIONS. EAMS REQUESTED REPAIR DISPOSITION FROM RTS, WHO PROVIDED ETD2019-170-158395-A TO ALLOW THE INSTRUCTIONS FROM SRM II 53-22-03/ REPAIR 04P TO BE USED. THIS EO IS BEING ISSUED TO PROVIDE INSTRUCTIONS TO ACCOMPLISH A PERMANENT REPAIR OF DAMAGE TO THE STRINGER 23L BY SPLICING IN A NEW SECTION OF THE STRINGER PER SRM PART II 53-22-03/REPAIR 04. ACCOMPLISHMENT OF THIS EO HAS BEEN CLASSIFIED AS A MAJOR REPAIR BECAUSE THE STRINGER 23L IS PSE AND THIS EO RESTORES STRENGTH. SUPPLEMENTAL FOLLOW-ON INSPECTIONS ARE NOT REQUIRED PER ETD2019-170-158395-A.W.O.#2759831175