does that particular score reel move ok during gameplay ?
I would suspect ONE of the many leaf switches on the "reset relays" is either dirty or out of alignment or the "switch stack" needs to be tightened
http://www.pinrepair.com/em/index2.htm#clean
I don't use a file myself anymore simply a piece of plain paper might do the trick but I use the "magic brush" method now.
video of demonstration from this link:
https://pinside.com/pinball/forum/topic/nics-american-pinball-tour-aka-im-coming-to-fix-your-games/page/47#post-5120291