They've recently purchased some aircraft from Boeing, too. Years ago there was a hijacking where the pilot was killed.' Their CEO keeled over in 05 or 06; not sure who runs it now.
There could be any number of things
they are innocent until proven guilty. however, if it were price fixing ("kakaku kaateru"), i would not be surprised. price fixing is as second nature to japanese business as passing gas is after an evening of mexican food.