Counterbound T203 reported 'B' side Headlight of T403 faulty. TC of T403 stepped out to check and co nfirmed 'B' side headlight faulty. ~~~~~ 3527 Counterbound T203 reported 'B' side Headlight of T403 faulty. TC of T403 stepped out to check and confirmed 'B' side headlight faulty.  3527 B/S faulty headlight replaced. Security/function check - OK.  Farid/Koon PL 44645