Counterbound T219 TC reported T415 'A' side headlight was not working. TC confirmed headlight fault.TC stepped out at CBR NB checked and confirmed that 'A' sid e headlight was not working. Train taken out of service at J ~~~~~ 3568: Counterbound T219 TC reported A/S headlight not working. TC confirmed headlight fault. TC stepped out at CBR NB checked and confirmed that 'A' side headlight was not working.  3568 A/S headlight not working - Replaced headlight. Function test ok, security check ok. Huzzaidi 45339