Hi Dave,
Not sure that LKM problem would result in just one headlight being intermittent. When mine was acting up, both low beam lights would just go out, no warning, then, maybe come back on. it was quite frightening, actually. During that time I drove with my foglights on all the time until I resoldered the little "peaks" on the board.
Hopefully others may have a clue about the single low beam intermittency.
JonE