TC reported wheel flats at front DT car. ~~~~~ 3529 TC reported wheel flats at front DT car. Report bogie 1 wheel flat noise.To profile Wheel profiling done by Aw SP and Ng YF on 5/6/20. B1 multiple w/f 40x30, A4 & B4 pitting 5x5. 3529 carbody ht adjustment To carry out carbody ht adjustment according to EMU/CM1/002 checklist and clean M2 car coupler pins. Carbody ht adjustment done by AW SP, NG YG, Teo KP, Kassim, Tai KW on 5/6/20.