TC changed end and reported 3 x saloon light in car 3517 near 'B2', 'A3' and 'A4' door were faulty. TC changed end and reported 3 x saloon light in car 3517 near 'B2', 'A3' and 'A4' door were faulty. ~~~~~ Check and found near B2 door light and saloon light A-11 ballast faulty. Replace ballast near B2 door and saloon light A-11 Conduct function test ok. Done by Sufhian. 25/08/22 TC changed end and reported 3 x saloon l Check and found A3 & B2 door light bloen.B2 door light rectified ,door after replac ballast and tube still not working.OPS20 for further