Originally Posted by
WingNut60
My query asks "is it possible to open the AoA vane unit body in the field."
If the answer is Yes, then don't discount the possibility that it could happen, overnight in Jakarta.
It is very possible.
"Captain, would you mind testing our unauthorised, undocumented repair to the LH AoA sensor on the next sector?"
"No, we don't have an Overhaul Manual for it - it's not a field-serviceable item - but, hey, how hard can it be?"
"You might find that it reads a bit high (or possibly low) afterwards as we have no idea how to calibrate it, but we can tweak it again if necessary until it's reasonably accurate"
No, I don't think so.