The door seals on my 70E were shot when I bought it, to the point where they were letting water in during heavy rain. I had them replaced during the annual back in October, and since then the main cabin door has been hard to close: from the outside you have to lean into the top part while closing the lever, from the inside you have to pull pretty hard on the leather strap while shoving the door closing lever.
Moreover, on takeoff the plane makes a fairly loud whistling noise in the cabin, w