4. Search for causes of failure
You need to look for events that could lead to the failure mode.
It is an initial event that leads to failure via the associated mode. There may be several causes for a single failure mode. A cause can also lead to several failure modes on several components. For example, in the case of a bearing, the cause may be temperature, a lack of lubricant, a damaged seal, vibration...
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Search for causes of failure
Search for failure effects
Reference standards
ISO 9001:2015 Chapter 8.3.2 Design and development planning
ISO 9001:2015 Chapter 8.3.4 Design and development control
ISO 9001:2015 Chapter 8.5.1 Control of production and service provision
ISO 9001:2015 Chapter 8.5.6 Change control
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