Train doors at rear DT car 'A2 side' were not proven closed. TC recycled train doors once - ok. ~~~~~ Train doors at rear DT car 'A2 side' wer     #3645-A2 door CLE occurred on 07/03/22 2336 hrs and 08/03/22 0555hrs.From fault trace,door gap at occurence of fault was 80mm and 88mm.Base on past history,the same door encountered multiple occurrence of CLE at 80mm and 88mm.Door rigging checked ok.Door guide and J-rail no FOD observed.To raise OPS 20 for follow up checks on J-rail rigging and door guide gap. Checked by Joshua/Jun Hong. 08/03/22 3645 A2 door to follow up check on Jrail rigging and guide gap #3645-A2 door guide rail adjusted (19.02mm~19.07mm) and door function test ok.Door static test ok. Done by Sanip/Koh. 15/03/22