Click the Menu icon, click Monitor, and then click Repair Orders.

On the Repair Orders page, click the order number link.

On the Repair Order detail view, on the right side of the toolbar, click the Log icon.

On the Phases tab, you can see the changes made to phases. 

On the Departments tab, you can see the changes made to a repair order in a particular department.

On the Services tab, you can see the changes made to services.

On the Parts tab you can see parts status history.