Failure mode, effects, and criticality analysis

Failure mode, effects and criticality analysis is an extension of failure mode and effects analysis.
FMEA is a bottom-up, inductive analytical method which may be performed at either the functional or piece-part level. FMECA extends FMEA by including a criticality analysis, which is used to chart the probability of failure modes against the severity of their consequences. The result highlights failure modes with relatively high probability and severity of consequences, allowing remedial effort to be directed where it will produce the greatest value. FMECA tends to be preferred over FMEA in space and North Atlantic Treaty Organization military applications, while various forms of FMEA predominate in other industries.


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