Doctor strange, Avengers Infinity War, The Scorcerers Aprentice, Lucy, Guardians of the Galaxy 1 or 2, The Devil Wears Prada etc.
Answer:
The term for a sharply accented chord used in film music to gain audience attention and reinforce surprise is sforzando chord.
Explanation:
That's False, I did some research and that isn't the right term.
If you're interested you can look it up for yourself.
It looks like it just needs to be cleaned unless you’re referring to the paneling in which maybe in the past it was broken and needed to get welded back together.