3708 abnormal BCP when put to B3. Self-t ~~~~~ 3708 abnormal BCP when put to B3. Self-t     Found #3708 BCP1 0.22bar during at B3 position. Replaced #3708 Gateway v/v and brake function test ok.Self test both DT ok. #3708 Gateway v/v c/o: Old s/n: 1722018SPC New s/n: 1722010SPC Not: 2449789 Done by Koh.  03/01/23