DT569/570 569/570 UNDERSHOOT > 6 TIMES; /09/20 (1155, 1231, 1748, 1844, 1854, 1909) ENT SHOWS SPIKE IN BCP FOR ALL CARS ON FAULT TIMINGSABNORMALITIES ON SIG SIDE FER RS TO CHECK ON THEIR SIDE ~~~~~ DT569/570     #1569 Found ACU slow release.Replaced ACU and carried brake cyclic/function test ok. #3569 Control pressure Transmitter out of criteria,replaced and checked ok. #1569 ACU- New s/n: 1240-100  Old s/n: 1302-126 Not: 2203467 raise to RSW #3569 Control Pressure Transmitter Not: 2203471 raise to RSW. Done by Saini/Haslan/Koh. 25/09/20