RPN without Recommendation neither corrective actions

ifserav

Involved In Discussions
#1
Hi to everibody

is there any RPN under which can be any recommendation or corrective action?

Is there any regulation about it?

Thanks in advance

Sergio ?vila
 
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Jim Wynne

Staff member
Admin
#2
I think what you're asking is whether there is threshold or limit where recommended actions become mandatory, and the answer is "no." The 4th edition PFMEA manual specifically advises against RPN thresholds.
 

John Broomfield

Staff member
Super Moderator
#3
Hi to everibody

is there any RPN under which can be any recommendation or corrective action?

Is there any regulation about it?

Thanks in advance

Sergio ?vila
Sergio,

If your RPNs come from your assessment of adverse risks then you are driving preventive action.

You will be removing the root causes of potential nonconformity according the the priorities indicated by your RPNs.

You may choose not to invest in preventive action when such action exceeds the price of the future nonconformity.

Depending on the criteria in your RPN tables (severity, frequency, ability to detect) this should coincide with adverse risks that management is willing to accept. You could then ask a top manager to sign-off on this acceptance of risk.

If the top manager is unwilling to sign then invoke the preventive action and reconsider your RPN criteria or the RPN at which your procedure specifies the need for preventive action.

Residual adverse risks must be known by those who are responsible so they may be managed, accepted or insured.

John
 
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