3509 wheel reprofiling    ~~~~~ 3509 to carry out wheel profiling A1,B1,A4 spalling Wheel profiling done by Aw SP and Ng YF on 13/12/20. A1,B1 shelled tread. A4,B4 spalling 5x5mm. 3509 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 YF, Tay LC on 13/12/2020.