EIC is able to get informed about the Associate Editors' tasks that have been delayed and their due date are expired. It is the EIC decision to whether extend the due date of AE or replace the current AE with another AE. To see a list of all mauscripts with AE delay go to "Review Tools" (in left menu) and click on "Delayed AE".
In order to extend a due date, EIC can click on title of a desired manuscript and in the open page, EXTEND the "review due date" by day number.
In order to replace AE, EIC can click on title of a desired manuscript and in the open page click on "peer review process" tab and replace the AE.