What was found
LEFT WING OTBD FLAP UPPER PLATING HAS INTERIM REPAIR AROUND STA XF 225.000 (MAJOR REPAIR). PERFORMED MAJOR REPAIR. REMOVED FASTENERS. TRIMMED OUT THE DAMAGED SKIN AREA. PERFORMED NDT INSPECTION. CLEANED, TREATED AND PRIMED AREA. FABRICATED A NEW SKIN SEGMENT (2024-T4 AL0.071) AND A SPLICE STRAP (2024-T3 AL0.080). CLEANED, TREATED AND PRIMED THE NEW SKIN SEGMENT INTERIOR SURFACE AND THE SPLICE STRAP. APPLIED PRC SEALANT ON FAYING SURFACES. INSTALLED THE NEW SKIN SEGMENT AND THE SPLICE STRAP ON LEFT WING OTBD FLAP UPPER FWD PLATING (AROUND STA XF 225.000) USING NEW FASTENERS. SEE N/R 2042 FOR NR 4 FLAP VANE REMOVAL AND REINSTALLATION.