Unassign Serial
Explanation
This activity is used to unassign a serial from a mandatory modification 
revision.
Prerequisites
  - The modification must have been defined. This modification must have the
	 Mandatory category and be in the Active status. 
- 	No running tasks can exist for the given modification for the serial number.
System Effects
As a result of this activity, the serial is unassigned from the mandatory 
modification.
Window
Modification Details
Assigned Serials
Related Window Descriptions
Modification Details/Assign 
Serials
Assigned Serials
Procedure
  - Open the 
	Modification Details window and query (F3) for the 
	modification and part revision of the serial which is to be unassigned from 
	the modification.
- Click the Assign Serials tab and select a serial to 
	unassign.
- Right-click and click Unassign Serial.
Note: A serial can also be unassigned from a modification in the 
Assigned Serials  window.