Once the investigation is underway or completed, the team should analyze the process and all associated collected data and records. Look for trends, if any, in the sources of the occurrence. At this point in the investigation, performing a root cause analysis (RCA) may be helpful in determining the cause of the NCE.
A frequent tool used in RCA is the concept of Five Whys analysis, in which the investigator continually asks, why did this happen? Keep drilling down by asking “why” at each step of the process until an actionable cause can be identified.
