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What is the difference between a 7D format and an 8D format?


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Some Related Topic Tags (Not all threads are Tagged)
8d problem solving, problem solving, root cause failure analysis
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  Post Number #1  
Old 14th February 2007, 12:15 PM
dbulak's Avatar
dbulak

 
 
Total Posts: 291
Question What is the difference between a 7D format and an 8D format?

What is the difference between a 7D format and an 8D format? Or is there such a thing as a 7 D format? Thanks in advance.

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  Post Number #2  
Old 14th February 2007, 12:19 PM
cheryl mcguire - 2008's Avatar
cheryl mcguire - 2008

 
 
Total Posts: 13
Re: 7 D Format

7-d you do not congradulate the team as you do in the 8-d last step.
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  Post Number #3  
Old 14th February 2007, 12:33 PM
Manix's Avatar
Manix

 
 
Total Posts: 565
Re: 7 D Format

8D is an established problem solving tool that Ford coined (from existing problem solving methodology!). Basically just the 8 steps I am sure you are aware of.......not ever heard of 7D and I can't say it would be that useful!

All the steps in an 8D incorporate the established PDCA cycle, with reviews and interim plans to contain the issue.

I often find that "Interim Containment Action" is not always comprehensively used, as most faults we encounter can either not be fixed and scrapped! OR can be used under concession, therefore this could be considered an 7D. Maybe someone has incorporated two steps into one. I think the format is fine as it is!

I would not reccomend avoiding any steps in the 8D especially if it is for FORD!
  Post Number #4  
Old 14th February 2007, 07:59 PM
Helmut Jilling

 
 
Total Posts: 4,358
Re: What is the difference between a 7D format and an 8D format?

Quote:
In Reply to Parent Post by dbulak View Post

What is the difference between a 7D format and an 8D format? Or is there such a thing as a & D format? Thanks in advance.

As Cheryl said, the "7D" format drops the 8th step - it leaves congratulating the team off. It was the modified 8D form that Chrysler preferred some years back.

PS: The 5 step GM form is similar as well. It combines several of the action steps into one field.
  Post Number #5  
Old 21st February 2007, 09:08 PM
JadeS

 
 
Total Posts: 29
Re: What is the difference between a 7D format and an 8D format?

Chrysler recently changed to the 8D. Step 8 of the new format is to document lessons learned.
  Post Number #6  
Old 22nd February 2007, 03:27 AM
ezorangee

 
 
Total Posts: 44
Re: What is the difference between a 7D format and an 8D format?

This reminds me of an occurance during a QS9000 (Yes, this was back a few years) audit.

We were reviewing customer specific requirements, and Chrysler was one of our accounts. The auditor asked to see our records for evidence of corrective actions.

Our format was 7D, and of course, Chrysler required the 8D format. As the auditor was reading through the corrective action reports the Plant Manager walked into the room.

After a few minutes of reading through the reports, the auditor looked at me and dryly commented, "I see that you only do the 7D format. Don't you congratulate the team?"

Without missing a beat, the Plant Manager responded, "Oh yes! We give them their salary every Friday!"

I thought it was funny. The auditor did not. It was a nonconformance.
  Post Number #7  
Old 23rd February 2007, 07:37 PM
JadeS

 
 
Total Posts: 29
Re: What is the difference between a 7D format and an 8D format?

Quote:
In Reply to Parent Post by ezorangee View Post

This reminds me of an occurance during a QS9000 (Yes, this was back a few years) audit.

We were reviewing customer specific requirements, and Chrysler was one of our accounts. The auditor asked to see our records for evidence of corrective actions.

Our format was 7D, and of course, Chrysler required the 8D format. As the auditor was reading through the corrective action reports the Plant Manager walked into the room.

After a few minutes of reading through the reports, the auditor looked at me and dryly commented, "I see that you only do the 7D format. Don't you congratulate the team?"

Without missing a beat, the Plant Manager responded, "Oh yes! We give them their salary every Friday!"

I thought it was funny. The auditor did not. It was a nonconformance.
It is funny. Some auditors have absolutely no sense of humour.

Last edited by Miner; 24th February 2007 at 10:17 AM. Reason: Added missing bracket to quote
  Post Number #8  
Old 24th February 2007, 11:39 AM
QCAce's Avatar
QCAce

 
 
Total Posts: 189
Re: What is the difference between a 7D format and an 8D format?

I personally prefer and use a 4 step process:
1-problem description
2-assignment and tracking date
3-root cause and corrective action
4-verification

Of course, I'm not in a company where 8D is a customer requirement. I'm not opposed to 8D. More important I think is the requirements we use to define when a corrective action should be written: significant or repeated events and it is based on facts and data.
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