What was found
DURING 800 HOUR INSPECTION, FOUND CORROSION DAMAGE TO THE FUSELAGE STATION 5645 FRAME UPPER T-EXTRUSION (PN: B533K7052-211) WAS IDENTIFIED IN MULTIPLE AREAS ACROSS THE UPPER SURFACE OF THE AFT FLANGE. A REPLACEMENT T-EXTRUSION WAS FABRICATED TO REPLACE THE DAMAGED STRUCTURE. A DETAILED DESCRIPTION OF THE DAMAGE AND APPROVED REPAIR PROCEDURES ARE PROVIDED IN AIRBUS REPAIR DESIGN APPROVAL SHEET RDAS-BK117-53-2023-2516, ISSUE A DATED 25 AUG 2023.