There are 5 Rearwin 9000-L aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1937 and 1938.
N20701
1938 Rearwin 9000-L
Bernville, PA
N20732
1938 Rearwin 9000-L
Brookhaven, MS
N18074
1937 Rearwin 9000-L
Hudsonville, MI
N18089
1937 Rearwin 9000-L
Port Orchard, WA
N8553
1937 Rearwin 9000-L
Tucson, AZ