TIMS showed intermittent BCU fault at the rear DT car. Train performance - ok ~~~~~ TIMS showed intermittent BCU fault at th     Check and confirmed #3655 axle 4 Techogen shorted to ground.Replaced with spare.Security check ok. New s/n: 0013071   Old s/n: 1510512    Not: 2278961 raise. Done by Sateesh/Rizman/Henry. 21/05/21