Delete a part requirement Delete a part requirement from a work order task. Before you beginRole required: wm_qualifier or qualifier combination role Procedure Navigate to Field Service > Work Order > All Work Orders. Open a work order. Open a work order task that is not in Closed or Cancelled state. Click Source. The Source Work Order list appears, showing the part requirement records in a tree structure. Right-click on a part requirement number and select Delete Part Requirement from the context menu. The system deletes the part requirement without displaying a confirmation message.