Good catch, but as you said not sure if it would really affect much. Didn't know the ROM needed more than one, it seems to be pretty firmly in there.
There were a few things that I noted that look strange. Below are some photos of said areas.
Note weird, blue colored component at C6:
Note the bridged connection just below the "9" in 1989
Note the weird black substance:
Any of these look like any issue?