With that kind of definitions, your car mechanic will never say he "repaired
" your car after a collision, he will say he "reworked" it. And add: It's as
good as new!
Ahne.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Blakley, Peggi J CIV
NSWC CRANE, GXSQ
Sent: 17 May, 2013 08:05
To: [log in to unmask]
Subject: Re: [TN] Trend Analysis of Repair Usage
Definitions as defined in the IPC7711/7721 document.
*Rework - the act of reprocessing noncomplying articles, through the use of
original or equivalent processing, in a manner that assures full compliance
of the article with applicable drawings or specifications.
*Modification - the revision of the functional capability of a product in
order to satisfy new acceptance criteria. Modifications are usually required
to incorporate design changes which can be controlled by drawings, change
orders, etc.
Modifications should only be performed when specifically authorized and
described in detail on controlled documentation.
*Repair - the act of restoring the functional capability of a defective
article in a manner that does not assure compliance of the article with
applicable drawings or specifications.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, May 15, 2013 14:41
To: [log in to unmask]
Subject: Re: [TN] Trend Analysis of Repair Usage
You are absolutely correct. You are backing me up now. That is exactly my
argument. I'm just trying to find anything documented along those lines.
-----Original Message-----
From: Gumpert, Ben [mailto:[log in to unmask]]
Sent: Wednesday, May 15, 2013 12:55 PM
To: TechNet E-Mail Forum; Stadem, Richard D.
Subject: RE: [TN] Trend Analysis of Repair Usage
Dean,
But isn't a defect a defect, regardless of the fix?
You may not track / trend repairs separately from rework, but they should be
included in the overall defect trends. In some cases, the defect itself is
enough to identify the instance as a repair, such as lifted/missing pads on
a PCB.
Ben
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, May 15, 2013 10:39 AM
To: [log in to unmask]
Subject: EXTERNAL: Re: [TN] Trend Analysis of Repair Usage
Yes, for rework in 12.1, but for repair trending, nothing in 12.2.
Still looking for trend analysis.
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Guy Ramsey
Sent: Wednesday, May 15, 2013 9:28 AM
To: [log in to unmask]
Subject: Re: [TN] Trend Analysis of Repair Usage
J-STD-001 touches on this, 12.1. It does not tell you what to document. In a
nutshell, it says you must document, and the user must agree with the repair
approach.
Guy
-----Original Message-----
From: TechNet [mailto:[log in to unmask]] On Behalf Of Stadem, Richard D.
Sent: Wednesday, May 15, 2013 9:53 AM
To: [log in to unmask]
Subject: [TN] Trend Analysis of Repair Usage
I am trying to find out if there is an industry requirement or
recommendation that usage of Repair Procedures be tracked and monitored? I
could not find any information on this in IPC-7711/7721. In previous lives
the number of repair usages was tracked, and pareto was published quarterly
(number of repairs used versus number of total CCAs built, number of repairs
used by a given CCA part number, number of repairs associated with a given
component part number, etc.) .
Because repairs are infrequent, it is not easy to detect any trend in their
usage, but over time the trend analysis can provide good data to detect root
causes.
I just want to know if there is any industry standard that covers this.
I am talking about repairs, not rework. If you don't know the difference
please do not respond.
Thanks
dean
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