Dave Stadt wrote:
"Emily" wrote in message
ups.com...

Jay Honeck wrote:
Sure, they are probably built on the same assembly line (but maybe not)
and they meet the same specs (but maybe not), but (FAA bashing aside)
how do you know that this particular part is (or is not) as good as an
approved part?

Define "good".

Manufacturered in an approved way. That means it's manufactured in a
manner acceptable to the Adminstrator.

Which in many cases means anything but "good." In some cases it means
"junk."

Doesn't matter. It's what's legal.