Counterbound TC of T427(3647) reported that the 'A' side headlight of T223 was not working. TC of T2 23 confirmed no fault indications. TC stepped out at YWT NB to check and confirmed 'A' side headlight was not working. ~~~~~ Counterbound TC of T427(3647) reported t     Replace #3555-Aside headlight and function check ok. Done by Asruddin. 26/08/21