Train doors at Rear DT car were not proven closed. TC recycled train doors a few times but to no ava il. Staff(CBR) assisted to push closefor train to depart. ~~~~~ Train doors at Rear DT car were not proven closed. 3719 A2 doors   TIMS FC found 3719 A2 door CLE close operation timeout x3. Open Close speed pass: Y FOD found: N Door cycle 20x: Y Rubbing marks: N Door Push/Pull force: Satis Door mating gap: 61.5mm, out of criteria. Door Lock Switch red line when door closed: Satis Door Lock Switch Cushion Rubber intact: Y Door Close Switch distance from actuating plate: Satis Door Wobble: N Rectification Actions: Found door operation smooth. Found mating gap 61.5mm. Adjusted to criteria. Done by Jack and team. 14/12/2023.