GE leased the 747 test bed from a museum for testing their engines
What part do you believe to be incorrect? You certainly haven't offered anything that contradicts my statement. It most certainly does reside at Victorville.
At the time of its acquisition by GE Aircraft Engines in 1993 it was to have been on a ten year lease. It is believed to have been purchased by GEAE off lease for a nominal fee. It was utilized for testing the CFM56-7, GE90, CF34-8, CF34-10, and GP7200, among others.
FWIW, the GE flying testbed is a former Pan Am bird:
Zvezda From Lithuania, joined Aug 2004, 10511 posts, RR: 65 Reply 12, posted (7 years 1 day 4 hours ago) and read 2842 times:
Quoting DarkBlue (Reply 10): It's called a Turbulence Control Structure (or TCS dome). It's made of 3" panels with thousands of holes to straighten and smooth out the incoming flow. Very useful on windy days.