This is an example of a root cause analysis for the Hubble telescope "blurred images" problem back in 1990. Frequently people lock on to a problem focusing on the "bad thing." The best solutions may fix something that was not even considered to a problem. The Hubble repair in 1993 is an excellent example of a thorough analysis to find the best solutions.

Access this 7-minute, 42-second vodcast by clicking on the link below.