Now THAT is funny, coming from you on this subject. Seriously. Though now it seems you're stuck on a second word: "assembly".You aren't looking far enough into the words, you are getting hung up on that singular word.
OK, so let's go there.
Show me where in the GCR - or even within common English verbiage - where something is only an "assembly" if the components of that assembly are "attached". 'Cause all I have to do is provide one example where it's not to shoot that one down.
GA, about to leave work to join the assembly at the town hall tonight for the referendum discussion...
On edit: keep in mind that if the only function of the exhaust "assembly/system" is to convey the air, then that makes things like exhaust hangers part of the "exhaust hanger assembly" and thus not open within the "exhaust system" regulation.
You might also want to read through the regs and see what other "systems" or "assemblies" your interpretation would affect.
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