EMU 551/552  Train suspected causing pow ~~~~~ EMU 551/552  Train suspected causing pow     #2552 Check and found CCD ht fail on both bogie. And adjusted A1-195(202),A2-190(202),B1-195(202),B2-194(200) ccd height thev rest within cateria.Check CCDfuse-ok,ccd ht tension cable ok.Only #1552-A2 cable sign of flashover,cable intergrity check ok.Earth return cable check ok.Surge arrester megger test ok.Brake resistor 4-M car within cateria (0.9ohm) Conduct APS and proplusion (power/no power)test-ok. #1552-A2 CCD assembly replace and security check ok. CCD assembly raise to RSW New s/n: 1727  Old s/n: 1156 Not: 2264015  Doe by Saini/Asruddin/Haslan/Koh/Haikel. 05/04/21