MTBF and Maintenance

A guest article by Andrew Roland. In an earlier article, we looked at how MTBF alone can be misleading when selecting an item for use in a design. In this article, we’ll take a look at how the MTBF metric falls short as an input to maintenance planning.

There were three items in the referenced article, Item D, Item E, and Item F that we’ll consider. We already know each of their failure times are Weibull distributed with the following parameters and MTBF.