Mean corrective time is a composite value representing the arithmetic average of the individual maintenance cycle times(Mcti)
Mean time to repair(MTTR)
Basic measure of maintainability
Sum of corrective maintenance times divided by the total number of failures within an item
Average time it takes to fully repair a failed system
Includes fault isolation,replacements of failed item(s) and check out
Its also called the mean corrective maintenance time,Mct