3645,2646 and 1646 Reported BCP pressure ~~~~~ #3645 & #1646 check and found ACU faulty.Replaced and function check ok.BCP pressure ok. #2646 found BCP bogie 2 pressure high.Replaced transmitter & ACU. After fault remain the same.Suspect BCU cause high BCP,To be follow up 0020 raise. #3645-ACU-Old s/n: 1517-049 New s/n: 1447-022 Not: 2142286 #1646-ACU-Old s/n: 1549-218 New s/n: 1549-221 Not: 2142287 #2646-ACU-Old s/n: 1447-053 New s/n: 1549-219 Not: 2142288 Done by Kumar/Koh. 18/03/20 To follow up 0010. To follow up 0010 please check and rectufy 2646 BCP pressure high.     Replaced BCU at #2646.Function check ok.Brake cyclic test ok.Wheel diameter setting done. Done by Sanip/Fauzi/Jack. 18/03/20