| # Scope The objective of this case is to describe what subsequent activities are planned and carried out based on the service contract with the customer. In the service contract, for example, the service level agreement, the specific warranties for each item in the configuration structure are specified. Based on the contract details, a periodic preventive maintenance is planned from which service orders are created. Based on available capacity, the service orders can be planned or re-planned and scheduled or rescheduled. After all materials and tools are available, the maintenance or repair is performed and finally the invoice based on actual use is sent to the customer. |