wrote in message
...
On Mon, 25 Mar 2013 16:41:51 -0700, wrote:

What is interesting is that I know several folks who
work for Boeing in many different types of jobs, from engineering to
assemblers to tooling makers to inspectors. And they all predicted
these problems.
Eric
Anyone with half a brain could have predicted it.

It's hard enough to turn the prototype into working product when
engineering and production are in the same building.
http://en.wikipedia.org/wiki/Engineering_Change_Order
"ECOs can compensate for design errors found during debug or changes
that are made to the design specification to compensate for design
problems in other areas of the system design."

Considerable effort is needed to make sure they don't interact, and
can be applied out of sequence if necessary.

jsw