Same experience here. It’s like 1/4 times they are going to fuck up with the needle. And then they call you, always from different numbers, to guilt you into donating. The last time I went they fucked up 3 times before asking if they could switch arms.
Nothing can be done! If we add a backup AOA sensor the cost of the plane will increase by 0,00001% tHiNk Of ThE ShArEhOlDeRs!!1!!