Operating time to failure (hours) / # Assets/components run to failure

Which of the following is least likely to be linked to Maintenance and Reliability process improvements?

Measure of the variables inherent in the design that affect availability. In the calculation of downtime, it usually includes only active repair time. It does not include preventive maintenance time and administrative or logistic delays, but does include corrective maintenance downtime

(%) = [Corrective Work Identified as Rework (hours) ÷ Total Maintenance Labor Hours] ×
100

As the maintenance manager for a manufacturing company, you have conducted a study that reveals the mechanics, on average, spend four hours per ten hour shift on wrench time (tool turning time). Your first action should be: