The range of functional areas included is not exhaustive and certainly varies from airline to airline. An engineering disruption occurs at the airline’s home base. The Integrated Operations Centre (IOC) has been alerted by Maintenance Watch to a technical problem with an aircraft. The disruption is an engineering problem, so Maintenance Watch are central to the initial advice and then developments throughout the disruption. The role of Maintenance Watch in the scenario will be to establish the exact nature of the problem, and work with the supporting roles to ascertain what needs to happen to get the aircraft serviceable in the least amount of time. The Customer Journey Management (CJM) team also become involved in the disruption immediately. Depending upon the timing of the disruption, customers might be in a variety of locations. The instance of this disruption begins to stretch the airport capability should delays be excessive or flights cancelled.