Counterbound T403 TC reported T212 'B' side headlight was not working. TC confirmed headlight fault.TC stepped out at BSH checked and confirmed that 'B' side h eadlight was not working. ~~~~~ 3549 - Counterbound TC reported B/S headlight was not working. TC confirmed headlight fault. TC stepped out at BSH checked and confirmed that 'B' side headlight was not working.  3549 B/S headlight replaced with new spare. Security/function check - OK.  Sugu/Sarma/Anand/Shafie/Lee PT 45195