This activity is used to edit basic data for occurrence criteria for failure modes and effects analysis (FMEA). An occurrence criteria is a numerical value representing the likelihood that a specific failure/cause mechanism will occur. There are 10 occurrence criteria ranks, ranging from 1 to 10, with 10 representing the most likely.
Occurrence ranks are predefined. You can not add or delete them, although you can change their probability and the occurrence rate associated with them in the Occurrence Probability and Occurrence Rate fields.
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As a result of this activity, occurrence criteria are modified.