if the total elapsed time in clock hours for corrective maintenance is 1200 hours and there are 60 maintenance actions completed in mean time to repair (MTTR)


  1. The mean time to repair (MTTR) is 20 hours.
    What is  MTTR?
    • MTTR (mean time to respond) is the average time it takes to recover from a product or system failure from the time when you are first alerted to that failure.
    • Mean time to repair (MTTR) is the average time taken to repair an item.
    Mean time to repair = Total hours spent on corrective maintenance / Number of maintenance actions completed
    Mean time to repair = 1,200/60
    Mean time to repair = 20 hours
    Therefore, the mean time to repair is 20 hours.
    Learn more about MTTR


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