After testing with other micro SD cards, I've concluded it is the card. I'm going to test this micro sd card further to see if this issue exists in any other capacity or if it's just every once in a while when loading pre-rendered cutscenes. It seems harmless enough and otherwise it seems to be fully functional. Knowing it's not a problem with my wiring or the unit itself is enough for me at this point as long as it remains functional. If it becomes a bigger issue down the road, it's not hard to simply swap the card out.
Edit: For anybody curious, my micro SD card is micro center brand. Seems to work fine but has the weird issues shown in the video on the last page.