3501-TC reported one of the saloon lights in front M1(1501) car was not
working and two saloon lights were not working in rear M22502) car; one
at 'B1' door and another at 'B3' door.

CE checked & found 1501-A3,and 2502-B1 & B9 saloon lights not working ~~~~~ 2502-follow up ballast fault 3501-TC reported one of the saloon light