If it's OK to post it here going by what Tony Miles has said on WNXX the general conclusion form the experts in the field that bodyshell replacement is probably going to be the cheapest solution, not necessarily because of how much it costs to sort the cracks, or the supposed shorter life of the trains because of the stresses caused by welding, but because of the validation required after a crack has been fixed/welded, and putting your name to a fix like that is going to cost, esp. because of the already known issues over weld integrity.
Supposedly Hitachi have been told that a temporary welding fix is not a permanent solution.
Looks like some banks are starting to get a bit worried that their 27+ year cash cow might be anything but.
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