Development of resource specifications (materials and inventory items) in the 1C:Enterprise program, necessary for the repair of AC locomotives in accordance with the repair manual and other technical documentation regulating the repair. Development of technological processes for the repair of locomotives and linear equipment of AC locomotives of the VL80 series (all indexes), 2(3)ES5K(ERMAK) based on repair documentation. Participation in audit of production areas. Control of repair technology for compliance with technological processes and repair documentation. Analysis of failure of locomotive units and equipment after scheduled types of repair in the volume of СR-1, СR-2, СR-3, AR.