Hello mohan,
Time between Repairs per one Malfunction Notification is: The value shown here:
Note that the Breakdown tick is essential here.
If there are 10 notifications in the period of query in MCJB, then the total value will be shown in Time between repairs place and the total divided by 10 value will be appearing in Mean time between repairs. Because the No. of breakdown is 1 here both values are same here.
Also go through these useful links:
What are the prerequisite for getting MTTR / MTBR data.
MTTR / MTBR / Breakdown Analysis Information System Overview
MTTR, MTBR, Failure Rate, Availability and Reliability
KJogeswaraRao