1) Some of the equipment always used for production during the day time example 9:00 AM to 5:30 PM.Suppose if the equipment has breakdown at 14:00 PM and maintenance team start the work on this equipment next day from 9:00 AM and he take 3 hrs for close it. Now according to user the downtime must be 6.30 hr (office Time till 5.30 + 3 hr ) while system calculate according to malfunction date and malfunction end.
2) If an equipment is in breakdown condition from last 8 months( from July) due to some reason.This equipment also have the MTTR and MTBR records. After 8 months user close this issue , due to long time breakdown condition MTTR will Show Many Hrs and that is ok . How we can Calculate for the same Machine into August or Sep MTTR where Still we didn't Close Notification but we want to Calculate the same into MTTR Calculation without Closing Notification .