Top Shelf freezing food, yellow/stick substance

Brand: Electrolux
Model Number: WS23BC87SS0
Main Symptom:
What happens & when: 2 issues. #1) top shelf of refrigerator freezing food, even after vacuuming coils front & back underneath. #2) sticky, yellow product emitted bottom right side when pulling out/pushing in after vacuuming coils.

Error Code (if any):
Parts or tests already tried:
Photos / video link:

With the refrigerator freezing food, this issue would potentially be caused by a faulty damper which is part of the air tower.

https://www.appliancepartspros.com/frigidaire-air-tower-5304508375-ap6041702.html

Thank you for the quick feedback. Would I need to purchase/replace the entire tower?

Yes, the tower would need to be replaced because the damper is part of the tower.