Boeing has refurbished ZA-003 787 and installed a customer type interior and will be departing for a 6 month, round the world series of demo flights in December, much like they did with the 727 and 757/767 in decades past. It has been painted in the 'house' blue and white 'swoosh' scheme (with yellow/gold pearl top coat) just like ZA-001 is painted.
You'll have to watch for it because it will be difficult to hear, I have them go over the house all the time out of KPAE and about all you really hear is a strange low woo-woo-woo sound which I guess is the low pressure inlet fan turning
