T303 3551 BNL1-Train doors at car 1552 wT303 3551 BNL1-Train doors at car 1552 were not proven closed. TC recycled train doors once - ok. Staff(JUR) checked and confirmed no train doors abnormalities. Fault did not recur at subsequent stations. ~~~~~ Car 1552 train doors not proven closed Open Close speed pass: Y FOD found: N Door cycle 20x: Y Rubbing marks: N Rectification Actions: Checked saloon doors and found no FOD on doors guide rails.    During door operation, observed 1552 A2 & B3 doors intermittently DIR and DMI indication lighted when door closes. Adjusted both doors to pass criteria. Do 10/20mm gauge test on all doors - Passed Check manifold and actuator for any air leak -  No leaks found Check EMV for any residue voltage when door close - Ok Door manual force check - Ok" N.A/YANTO/ARUN/HASZHAN/09.04.23