Train doors at car 3627 were not provenclosed. TC recycled train doors a few times but to no avail.Staff(JUR) push close and isolate the defective 'B3' door a t car 3627 in close position. ~~~~~ Train doors at car 3627 were not proven     #3627-B3 door FC 969,saloon door B3 encoder fault & abnormal opening/closing current.Replace B3 door operator and function test ok.Check DCS,DLD rubber cushion ok,DLS-ok.Door cyclic test ok.Door static test passed.DIR ok.During door cyclic check,motor current no further abnormalities. #3627-B3 door operator:- Old: 1506w0200115010 New: 153w0200015023 Not: 2460131 raise. Done by Saini/Asruddin. 08/02/23