FMEA Risk Analysis Recommended Action Priority

P

PigPiG

#1
I am from semiconductor field.
Currently the priority for recommended action is as below:
1. Severity 9 or 10, improvement must be address thru prevention control else recommended action is required,
2. Severity 8 or below, recommended action is required for Top 3 RPN.

The New Top 3 RPN will be address in every 6 monthly periodic review.

Recently, i have a customer required me to revise my criteria regardless on Severity ranking:
1. Occ>4, recommended action is required.
2. Detection>5, recommended action is required.

After i have assess few PFMEA in the factory (few major process), i found that if i go for customer requirement, the factory is going to have 500++ item pending for recommended actions due to some of the process is actually manual process and the detection ranking is quiet high for those process.

How should i do in this case as most of my process is yet to automated level.:confused:
 
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Bev D

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#2
Has your customer explained why they have this requirement?
It is not very logical - the severity of an event is the most important element of an FMEA. Occurence and detection are supportive to it in guiding corrective actions...

Do you have to comply with your customer's 'requirement'?
 
P

PigPiG

#3
They include it as the audit finding. But they did not even documented it at their own spec.The explanation from them is they are automotive customer and they are not allow for any manual detection control in assembly.

I had show them my assessment in my current FMEA. Their comment is "that is something wrong in your process as most of your detection rating is more than 5...:frust:"
 
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