A risk assessment study and repair time proposal has been performed for a very sensitive and complex process unit. I put parts of the project here. Predictive maintenance study for Complex case study. we've obtained failure causes was basically an operation fault and more basically plant conceptual design Error.
Obviously, the use of code and content needs to cite the source.
For more you can check this out ( it is quit helpful ..) https://docs.microsoft.com/en-us/azure/architecture/data-science-process/predictive-maintenance-playbook