Mustang KH 686, call sign YT-P is found.
Thanks for the help in the research goes to Sara Mosher and Steve Brooking amongst many others.
Some more information on the research here:
http://forum.gaijinent.com/index.php...-7-april-1945/
Link to images of debris here:
http://s763.photobucket.com/user/kav...H%20686%20YT-P
It would be nice if anyone could help identify the part with the number on it.