We have inspected your Xbox Controller. 2 directions on your analog sticks have problems functioning and a total replacement of the stick is necessary. The stick electronics are integrated directly into the main board of the controller and it takes a full disassembly and highly skilled repair to remove and replace the worn and damaged controls. There is a button which is also damaged and need replacement. We will use brand-new parts to complete the repair and our service comes with 90 day warranty. The total cost for parts and labor will come to $102.95 You may checkout at any time to proceed. Alternatively we can return the unit back to you for the cost of diagnostics which is $19.95.