What was found
DURING HEAVY MAINTENANCE: PYLONS / LH PYLON / PYLON TO WING CENTER FILLETS / OUTBD STRIP RIB 7A AND RIB 10A / CRACK AND CORROSION – PERMANENT REPAIR; REFERENCES: /1/ STS EA 160-2026-001 REV IR /2/ AIRBUS RDAF 81708168/003/2025#A /3/ REPAIR INSTRUCTIONS TD/81708168/011/2025#A. DESCRIPTION: DURING CURRENT (01/2026) M1 CHECK ON N913JB (MSN: 05909) @ MLB, STS REPORTED ONE (1) CRACK AND SEVEN (7) CORROSION DAMAGES ON THE LH PYLON TO WING CENTER FILLET OUTBD STRIP (PN: D5451804720400 - FABRICATED FROM ASNA3051-8600 [7075-T6 CLAD AL]) AT RIB 7A AND RIB 10A. DAMAGE WAS BLENDED IAW A321 SRM AND WAS EVALUATED IAW SRM 54-53-12 BUT WAS OOL DUE TO NO ADL BEING AVAILABLE. SEE REF /1/ FOR FULL DETAILS. STS REQUESTED PERMANENT REPAIR DISPOSITION FROM AIRBUS WHO PROVIDED REF /3/ TD, WHICH DEFINES A REPAIR CONSISTING OF PERFORMING A CUTOUT, NDT INSPECTION, DOUBLER AND FILLER FABRICATION AND INSTALLATION, AND NEW FASTENER WET INSTALLATION. THIS REPAIR WAS AUTHORIZED BY AIRBUS VIA REF /2/ RDAF. EC A26-028-01 IS ISSUED TO ACCOMPLISH THIS PERMANENT REPAIR PER REF /1/ STS EA. SUBSTANTIATION: THIS PERMANENT REPAIR IS APPROVED PER REF /2/, RDAF AND IS CLASSIFIED AS MAJOR. (E/C: A26-028-01)