Thanks for the info. So the technicians are there on site daily? dozens? hundreds? Im not too surprised there is quite a bit to replace. Sure the failure rate

Thanks for the info. So the technicians are there on site daily? dozens? hundreds? Im not too surprised there is quite a bit to replace. Sure the failure rate should be low but the scale is massive. Its interesting to get an order of magnitude though. Every hour is more frequent than I thought.