Originally Posted by
EMBFlyer
All of our A319/320/321s have brake fans. However our guidance is no to turn them on unless the temps approach 500*C. They say it's for brake life. Carbon brakes like to be hot.
It's true. "Generally speaking, to increase carbon brake life, brakes should either be operated cold or hot but not at
intermediate warm temperatures."
http://chihchin.sg1002.myweb.hinet.n...n%20brakes.pdf