Following link names "Sprendlingen" as the place it came down.
http://www.lostaircraft.com/database...ewentry&e=101#
As source it names
WR Chorley
Bomber Command Losses 1944
Seite 122, 4. Eintrag
ISBN 0904597911
and
Aufzeichnungen von G. Lerch zum Luftkrieg über Frankfurt
I know of some books that G. Lerch wrote about the air raids on Frankfurt. Not sure whether that is meant by the "Aufzeichnungen" or what source this sould be.
Cheers,
Guenter