Repetitive MR with Counter Reset

Hi,

I currently have a scenario where a Maintenance Requirement is due every 7 days from when the engines were last run. Therefore when the counter reached 7 days (since the last engine run) the MR would be accomplished and wouldn't be applicable again until an engine run was completed again. My idea was to reset the counter back to 1 when an engine run was completed to start the MR back off again. I set the Interval Threshold to Start at 1 and Stop at 7 assuming that when the counter approaches 7 that is when the MR would be