An article on the Farman F.190 is in the latest Air Britain Archive magazine.
I have scanned two pages which refer to YR-AAM, and they can be seen at:-
http://www.thai-aviation.net/files/YR-AAM_Farman_AB_article_pp1.pdf
and
http://www.thai-aviation.net/files/YR-AAM_Farman_AB_article_pp2.pdf
Obviously there are lots of gaps in the story, so if anyone knows more ......
Steve Darke