Dive 4, the air2 started leaking. I brought it to the shop that did the service, along with the documentation. They charged me full price for another rebuild, basically this told me they didnt stand behind their workmanship. Say what you will, this left a sour taste in my mouth.
Where was the leak coming from? Was it a free-flow or air from the bladder? If it was a free-flow that should have been a very simple adjustment...it would take longer to hook the reg up to the bench or a tank than to adjust that out. From the bladder could be a couple things, none of which should have required a full service.