New AD for wings.

[rhurt]

Originally Posted by larry bowdish

Be careful about that. It has been known to cause corrosion. You should check the airframe carefully, "downwind" of the place where the relief tube exits the aircraft.

It is mounted slightly below the port spar attach fairing, so it's pretty much out of the way of the prop/boom/elevator downstream. I always flush the tube with an antibacterial soap /water solution after each use though, and inspect the prop/elevator in case the airflow is different that what i expect.