If the crash occurred behind enemy lines there should be a MACR.
https://www.aviationarchaeology.com/.../44SepMACR.htm
If it is a P-47, a page search (Ctrl+F) of 09/44 will provide MACR's for the Month, there's 130.
http://p-47.database.pagesperso-oran...abase/MACR.htm
If the crash occurred within Allied territory it would be classified as an accident.
https://www.aviationarchaeology.com/...y/Sep1944O.htm