PM report 1558 B1 & A4 very bad pitting. ~~~~~ PM report 1558 B1 very bad pitting. Wait wheel reprofiling done by kassim and zul on 10/2/20 1558 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 kassim,zul,teo kp and ng yf on10/2/20