I'm sure there's a better way, but here is the round about way that I accomplished this:
First, I created a port to show all down interfaces that were not already administratively down and had been down for 30+ days.
Next, I created a custom property for interfaces. Then, I took my down interfaces report, exported it, removed all columns except for the "FullName" and created a new column for the custom property I created.
I populated the new column with a value, in my case simply "down."
Finally, I went to Node Management, selected Interfaces from the Show dropdown, and sorted by my custom property.