Use Amend qty to change the ordered quantity when you no longer require the original quantity of the affected item.
Steps
Go to Product information management > Engineering change management > Engineering change orders.
Open a released ECO you want to review.
On the Action Pane, in the Business impact group, select Open impact workspace.
The workspace opens for the selected ECO.
Note
If the ECO has no lines yet, the button is unavailable. Add at least one affected product first.
In the Purchase orders section, locate the affected purchase order line.
Select Amend qty.
The Amend Qty pane opens on the right.
Review the purchase order and item number.
In the Amend Qty field, enter the revised quantity.
Select Amend Qty to apply the change.
To close the pane without changing the quantity, select Cancel.
After the change is complete:
The purchase order line shows the revised quantity.
The Action status changes to Amended.