Originally Posted by
cornish-stormrider
I seem to recall A British company did a total nuts and bolts repair of a wing and marry it to a new fuselage then found that each one was a bit different..... In the end it cost an absolute fortune and the pollies scrapped the whole shebang just when it was about to come good....
True enough. But replacing engines and replacing wings are two very different things, with the former being much much lower risk than the latter.