With all due respect, I'd like to add that crimped connections, when done properly, are just as good (if not superior) as soldered connections in all respects, including resistance to corrosion. What's more important, crimped connections - again, using the right tool - are far more consistent, even when done by underpaid and ignorant personnel, which is often the case (hope that does not apply to Airbus).
Agreed. A crimped joint is effectively a cold welded gas tight joint and
without a skilled workforce, better than solder. Crimp tools do need to be
tested /calibrated to ensure that that the crimp pressure is not
too low (bad connection) or too high (embrittle the wire or even
partially shear through). Soldered joints can have a much greater
variability: "dry" if the joint is not heated enough and intermittent if
too little solder / flux or not properly wetted. Other problems with soldered
joints include embrittlement with temperature cycling and vibration.
A lot of early avionics, computer and mil kit was "wirewrapped", where
you get 16 or more cold welded joints as the wire is wrapped round a
square pin. Just about the most reliable board level interconnection
system ever devised and still used here occasionally for quick prototyping
work...