/usr/lib/x86_64-linux-gnu/libfa.so.1 is in libaugeas0 1.2.0-0.2+deb8u2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/x86_64-linux-gnu/libfa.so.1.4.0
/usr/lib/x86_64-linux-gnu/libfa.so.1.4.0