How do I turn off visibility to columns for Main Client Users in Landing Gear Sub-Assembly Fleet?

1.	Login to your account using the username and password provided.
2.	Hover over the Fleet Management tab and Click on Landing Gear Centre Tab.
3.	Click on the Landing Gear Sub-Assembly Fleet tab.
4.	Select the asset from the grid.
5.	Hover over the Current Status dropdown and Select any tab from the dropdown. It will open new window.
6.	Hover over the CONTROLS dropdown and Click on the Column Management option. It will open a new window.
7.	Check column which you want to hide for Main Client User.
8.	Click on the SAVE button to save your changes.
9.	It will show you Popup window. Click on the OK button.