TC feedback intermittent wheel slip/slide (dry track) at Rear DT car 3566 when departing from RFP SB . ~~~~~ TC feedback intermittent wheel slip/slid        Check Tims observed FC-322/323 multiple time,further check techo gen all ok and resistance within cateria.Replace BCU and wheel dia setting done.Brake function test ok.Dump v/v test ok.During depot shunt no sign of W/S/S fault. BCU-New s/n: 1819-175   Old s/n: 1823-184 Not: 2286192 raise. Done by Faddzal/Deeshan. 15/06/21