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Likelihood of occurrence

With the value Occurrence (O), the likelihood of the occurrence of a failure cause is evaluated in FMEA while taking into account the corresponding prevention action (n).

The O value thus represents the evaluation of the effectiveness of the prevention action (n). A scale from 1 to 10 is available for this. The evaluation takes place using specified evaluation criteria. These are, among other things, shown in the FMEA Handbook from AIAG and VDA. This must involve subjective assessments by experts. As a result, this evaluation cannot guarantee that the assessment is actually always correct and reliable.
Glossary Technical terms at a glance

H

HACCP Harmonized FMEA method description Hazard situation Hazard analysis and risk assessment Hybrid failure chain Hybrid FMEA

I

IATF IATF 16949 IBQRM IEC 60812 IEC 61508 Industry 4.0 IRIS Ishikawa diagram ISO 14971 ISO 26262 ISO 9001:2015

J

Just in time

K

Kaizen

L

Lean Six Sigma Lean management Lessons learned Likelihood of detection Likelihood of occurrence