Train doors at car 2673 were not provenclosed. TC recycled train doors twice - ok. Staff(BGB) check ed and confirmed no train doors abnormalities. Fault did notrecur at subsequent stations. ~~~~~ Train doors at car 2673 were not provenclosed. TC recycled train doors twice - ok. Staff(BGB) checked and confirmed no train doors abnormalities. Fault did not recur at subsequent stations. CE:2673,all train doors proven closed.  Check No fault code. Check and Found 2673 B3 LHS door wobbly and outer roller damage. Change out both door to Iron roller. Check guide rail/jrail ok, no sign of FOD. Door function test ok. Door matting,DLS red line ok. DCS ok. Push/Pull Satis. Static test ok Done by Rizman/koh/jack 28.04.2024.