An apparatus for reworking a structure for example an aircraft structure, the apparatus comprising: a composite rework patch, wherein the composite rework patch comprises a composite layer having a group of composite plies, the composite rework patch including a first side having a contour conforming to an inconsistent area on a composite structure, wherein the composite rework patch comprises a plurality of regions having different structural properties; and a plurality of adhesive layers (202, 222) on the first side of the composite rework patch, wherein the plurality of adhesive layers (202,222) change in thickness within at least one region of the composite rework patch to form tapered adhesive section, wherein the composite rework patch includes regions arranged over the tapered adhesive layers (202,222), wherein the regions include a core a first region, a second region and a third region, whereby each subsequent region extends circumferentially around the previous region, wherein the tapered adhesive layers (202,222) include a first section, a second section and a third section, which tapered sections (210, 212, 214) substantially correspond to the regions of the composite rework patch, wherein each of the individual tapered adhesive sections has a different inter-laminar fracture toughness, which composite rework patch includes a composite layer, wherein the first section of the tapered adhesive layers (202,222) has a variable thickness to width ratio as it tapers from a thickest portion to a thinnest portion, wherein the adhesive layers include a high variability tapered adhesive, a medium variability tapered adhesive and a small variability tapered adhesive forming a tapered adhesive configuration in first section, wherein no gaps are present between adhesive layers, and a flat uniform adhesive layer is positioned over core. a composite rework patch, wherein the composite rework patch comprises a composite layer having a group of composite plies, the composite rework patch including a first side having a contour conforming to an inconsistent area on a composite structure, wherein the composite rework patch comprises a plurality of regions having different structural properties; and a plurality of adhesive layers (202, 222) on the first side of the composite rework patch, wherein the plurality of adhesive layers (202,222) change in thickness within at least one region of the composite rework patch to form tapered adhesive section, wherein the composite rework patch includes regions arranged over the tapered adhesive layers (202,222), wherein the regions include a core a first region, a second region and a third region, whereby each subsequent region extends circumferentially around the previous region, wherein the tapered adhesive layers (202,222) include a first section, a second section and a third section, which tapered sections (210, 212, 214) substantially correspond to the regions of the composite rework patch, wherein each of the individual tapered adhesive sections has a different inter-laminar fracture toughness, which composite rework patch includes a composite layer, wherein the first section of the tapered adhesive layers (202,222) has a variable thickness to width ratio as it tapers from a thickest portion to a thinnest portion, wherein the adhesive layers include a high variability tapered adhesive, a medium variability tapered adhesive and a small variability tapered adhesive forming a tapered adhesive configuration in first section, wherein no gaps are present between adhesive layers, and a flat uniform adhesive layer is positioned over core.