Haven't heard the show yet, but expect they're tlking about "Significant Event Analysis."
It's something positive that we picked up from the aviation industry. In our surgery, we partake in the process weekly, and it's infinately better than what we used to do - (standing at the bar saying "phew, had a close one today.")
Of course, building stuff into the system to stop us mere humans making mistakes in the first place, also helps.