trying to locate and download webinar - Smart Airport Operations with ArcGIS Indoors (10/10/19)
Did you try accessing the recording here Smart Airport Operations with ArcGIS Indoors—Live Webinar - I don't know if this is the exact one you're looking for in terms of date broadcast.
I am not the author of the post but yes, it works.
Quickly entered my info and then I got the link to the video