Train Prep:2504 BCU fault ~~~~~ #2504-FC 315-BCU suspension pressure fault.#2504 found air spring ht bogie 1 is lower as compare to bogie 2.Adjusted bogie 1 aie spring ht and security check ok.As suspension pressure check 2.96(within cateria)car ht check within cateria. BCU suspension fault clear.Check levelling v/v ok,no air leak found. Done by Haslan/Asruddin.  17/03/21