Originally Posted by
pax2908
One would hope that, for these parts, they would be periodically replaced so that the used ones can be analysed (metallography) while looking for any sign of accelerated degradation?
That's the better idea, and who pays for this analysis program? If one watches how margins get pinched all over industry, someone in a board room stands up and says "that's a cost center that never produces revenue" and doesn't get the clu until the cost of damages spikes... which I guess is all part of the infamous risk calculus.