1640 WILD triggered (B4, 63). ~~~~~ 1640 Wheel profile wild trigger loud noise, to carry out wheel profiling. Wheel profiling done by Ng YF and Kassim on 23/12/2020. B4 w/f 20x10mm. 1640 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 Ng YF, Kassim, Tay LC on 23/12/2020.