Holmstrom Ken Brown's lemma

Let $F: C \to D$ be a functor from a model category to a category $D$ with a class of WEs satisfying (2-out-of-3). Suppose $F$ takes trivial cofibrations between cofibrant objects to WEs. Then $F$ takes all WEs between cofibrant objects to WEs. Also dual statement.

nLab page on Ken Brown's lemma