WILD System Triggered 1682 on A4-64. ~~~~~ WILD System Triggered 1682 on A4-64. #1682 found A4 Shell thread and wheel flange height failed, to carry out wheel reprofiling Wheel profiling done by Aw SP and Ng YF on 08/12/20. A1,B1 wheel flange ht failed. A4,B4 shelled tread. 1682 carbody height 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, Teo KP on 08/12/20.