Monday morning, 5:45 a.m.: In production, the control system of a machine – which, in fact, is also a bottleneck in the process – undergoes total failure due to age and has to be replaced on short notice. However, initial research shows that the control system is no longer available as a spare part – neither from the supplier nor on the market. What is one to do? Director Wolfram W. Hackbarth and Senior Consultant Peter Kink address this issue.