FMEA Evolution: What Happens to Recommended Actions?

  • Thread starter Bill Ryan - 2007
  • Start date
B

Bill Ryan - 2007

#1
I have Recommended Actions with reduced RPN values on all my PFMEAs. Most of them are from some time ago. My question is this: Do the RAs stay in the right-hand side of the PFMEA "forever" or does it get melded into the "basic" body of the document after some time frame?

I've received different responses from each of our customers and am just wondering if anyone has seen anything definitive written, anywhere, on this.

Bill
 
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B

ben sortin

#2
All failure modes on the FMEA shall have recommended actions.

All Recommended actions that are implemented and effective shall remain on the FMEA as current controls.

All FMEA's shall be reviewed periodically.

"Preventive tools are rarely defined by the customer(s)."
 
D

D.Scott

#3
IMO when a recommended action is completed it should have, in theory, reduced the RPN. The new status should be updated on the FMEA and a new RPN calculated. If a further action is recommended, it should now be listed on the FMEA. The "old" actions do not, however, reside "forever" in the recommended actions column. They are, as you say, melded.

I agree with Ben that all failure modes should reflect a comment in the recommended actions column however IMHO the comment could be "none".

Dave
 
T

Tom W

#4
Bill Ryan said:
I have Recommended Actions with reduced RPN values on all my PFMEAs. Most of them are from some time ago. My question is this: Do the RAs stay in the right-hand side of the PFMEA "forever" or does it get melded into the "basic" body of the document after some time frame?

I've received different responses from each of our customers and am just wondering if anyone has seen anything definitive written, anywhere, on this.

Bill
I update the RPN columns on the next revision of the PFMEA. So the new number stays in the Recommended actions field until I revise the PFMEA the next time (like for another action to reduce a different RPN).

I believe the comments about all failure modes must have an action is not true. Like D. Scott; we have several that say "none". The numbers are low and the customer accepts them as is. We can't leave the column blank - so we put none in. Works for our customer and our TS auditor. I beleive this come from the AIAG book that states you must have something in the field.
 
N

Narfeldt - 2011

#5
I agree

I agree. If we should have recomended actions on everything then we should run our business on the knees. I just updated our routin about PFMEA and tell what we need for inputs for every review:

1. Internal reject
2. Customer complience
3. ECO
4. Process changes
5. External reject (fixes at customer when testing)

What do you think about this inputs. Have I miss something?

/Erik
 
D

d_rock30

#6
Re: I agree

I think the current FMEA form prescribed by AIAG has eliminated the confusion as to where to place implemented recommended action. In summary my interpretation of the standard is as follows:
>> The current controls (left side) with its original RPN should remain the same as it was originally identified on the first release. This should provide "history" of the original RPN and should not be overwritten with the new controls implemented. New controls must be specified/updated in the control plan and work instructions.
>> Recommended actions are inserted on its recommended action portion with target completion date and responsible person.
>> Implemented actions should be placed on the actions taken portion on the right side with updated RPN calculation.

This satisfies the requirement that our FMEAs are reviewed and potential actions are taken to reduce risks of potential failure modes.
 
G

GoKats78

#7
I am not sure exactly what the purpose is...

If I have "Recommended Actions" and complete them, aren't they now part of the PFMEA Current Controls section?

Isn't this simply a revision of the PFMEA?
 

Chennaiite

Never-say-die
Trusted Information Resource
#8
I am not sure exactly what the purpose is...

If I have "Recommended Actions" and complete them, aren't they now part of the PFMEA Current Controls section?

Isn't this simply a revision of the PFMEA?
If you are confident that the action has mitigated risk to the desired level(read as SOD numbers), I dont see anything wrong in specifying as current controls. Perhaps in the case of Mistake proofing for example.
If you are not sure, it is better to let the data speak over a suitable period of time before you change the controls, ratings, etc.
 
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