Quoted from Manic:The right flipper has an elongated physical switch that can be problematic so look through the key posts... maybe look for the one's with O-din in them as he went to a clear disk that is available from Pinball Life as an alternative (and hopefully problem-free) method.
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Just checked out o-din's post about the clear plastic washer fix. He ended up changing it out though and modifying the switch with another leaf blade or something as apparently it wasn't a 100% fix. I would have thought there was a more definitive fix for this by now. I guess I'll try the clear washer and see what happens.