TIMS showed saloon light circuit breakertripped in the Front M1 car. Staff(YWT) checked and confirm ed, a few saloon lights not working, with saloon light circu it breaker unable to normalise. Staff feedback the saloon ca ~~~~~ TIMS showed saloon light circuit breaker     Check and found SCLB breaker trip.From Tims found saloon light MCB tripped and unsucessful normalise 4 times. Checked COR,LSK,LOAR and NIVK ok.Contact resistor ok,no burnt marks at terminals and o the panel.Checked all saloon lights and ballast found water at saloon light at B1 door.Ballast contact terminal found sign of    corrosion.Checked a/c pipping dry with no signs of condensation after 1 day at running.Checked water ingress from FAD through train wash plant and spraying of water for 5 mins,no water ingress.Service the ballast terminals and c/o the ballast function test light ok. Done by Luke  28/03/23