Hey folks, I was just about to pull the trigger on buying a M20J (you can see in my only other post I'm excitedly looking for someone to help me ferry it across the country :))) but I had one concern I wanted to clear before I do that. The elevator has a small crack, about 1cm in depth, on the trailing edge. Picture attached. The shop that did the PPI didn't seem too concerned and just commented that it "might need a stop drill". Do you folks have any experience with this? - is it