Procedure
The issues for which you have been assigned action items appear in the My Open Assignments view on the upper right screen area of the Issues substructure.
and
on the lower left of the screen.
When you work on an issue, the system records any changes you make. Therefore, it is not possible to completely delete action items. If an action item has been wrongly assigned, write a comment in the Progress and result field and change the status of the action item to Deleted.