You might try the airforce base in Tucson--it is surrounded by what looks
like a junkyard of palnes--never seen so many before in my life. Perhaps
if you called the on-base museum of aviation (sorry, I don't remember the
name), they might be able to find the right person for you to talk to.
But I also don't know if they have any passenger plane parts there or if
they are all military war planes...
Good luck!
Lisa Falk
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