Train doors at car 2540 were not provenclosed. TC recycled train doors once - ok. Fault did not rec ur at subsequent stations. Train doors at car 2540 were not proven closed. TC recycled train doors once - ok. Fault did ~~~~~ Train doors at car 2540 were not proven        Check #2540 door no observed FOD.Door function test observed B1 & B2 door wobbling. 0020 To follow up door roller check. Check by Koh. 06/02/23 #2540 B1 & B2 door roller check. #2540-B1 LHS/RHS door roller damage,B2 door LHS door roller damage,RHS ok.Replace rollers and function test door ok. 10/20mm-ok.DIR ok.Door static test passed.Door cyclic test-ok. Done by Saini/Zulq/Asruddin/Haslan. 07/02/23