Train doors at car Rear M1 not proven closed. TC recycled train doors a few times but to no avail. P ax disembarked. DIRBS was operated for train to proceed in A TPM mode. Train doors at car Rear M1 not proven closed. TC r ~~~~~ Train doors at car Rear M1(1509) not proven closed. TC recycled train doors a few times but to no avail. Pax disembarked. DIRBS was operated for train to proceed in ATPM mode.(L3) L3 Check and found FOD at B4 door bottom guide LHS and door manifold heavy leak from exhaust port at door open. Replace manifold and function test ok. Door cycle test ok. Door static test okay. Door 10/20mm test pass. Both Side DIRBS reseal done. 1509 B3 door manifold S/N:N.A Notif:2590286 Done by Rizman/Koh 18.04.2024