Train doors at car 1684 'B2' door was not proven closed. TC recycled train doors once - ok. Fault di d not recur at subsequent stations. ~~~~~ #1684 B2 Door Proven Open/closed.No DIR Lit. 44483    #1684-B2 door no fault code.#1684-B3 door FC 973.#1684-B2 & B3 door check guide rail no FOD.#1684-check B2 door mating-63.5 ,DCS to plate 156mm,DLS-red mark ok.DLD-ok.#1684-B3 door mating=-63.8,DC plate-15.8mm adjusted to 15.3mm.DLS red mark ok.DLD-ok.#1684-B2 & B3 door push-pull-6kg.Service guide rail,J-rail for both door.Door timing-satis.Open/close door cyclic ok.Both door DLD cushioning sticker ok. Done by Zulq/Asruddin.  14/10/21