Train doors at car 3608 A2 door were notproven closed. TC recycled train doors once to no avail. St aff (BGB) pushed close the train doors for train to depart.Fault did not recur at subsequent stations. ~~~~~ Train doors at car 3608 A2 door were not     Check and found #3608-A2 Left Side Door wobbling and Right side function check ok.Further check found left side door roller main both damage,c/o ok.Push/pull  5.8~6kg,Mating strip 63.5~64mm ok.DLS red line ok.DLD rubber check ok.DSS 14.5mm ok.Door cycle and static test ok. Done by Sanip/Koh. 23/10/22