My STTNG has had airballs since I got it a year and a half ago. Mainly happens off the targets beside the Beta Ramp entry and also the posts by the Alpha Ramp entry.
Great to see you're enjoying Pinside! Did you know Pinside is able to run thanks to donations from our visitors? Please donate to Pinside, support the site and get anext to your username to show for it! Donate to Pinside