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What does MTTR stand for and what does it mean?

MTTR is an acronym for Mean Time to Repair.

MTTR is a measure of the maintainability of repairable items—representing the average time required to repair a failed component or device.


MTTR is usually expressed mathematically, as the total corrective maintenance time for failures divided by the total number of corrective maintenance actions for failures over a given time period.

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