1623-B1, B3 -wheel having SP, A4 wheel S 23-B1, B3 -wheel having SP, A4 wheel ST/TCfollow up wheel profiling ~~~~~ 1623-wheel reprofiling 1623-B1, B3 -wheel having SP, A4 wheel ST/TC To follow up wheel profiling Wheel profiling done by Aw SP and Ng YF on 18/6/20. B1, B2 pitting 5x5, B3 spalling 5x5, A4 shell thread. 1623 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, Kassim, Teo KP on 18/6/20.