Pax feedback to Staff (BSH) Front M2 car, A2 train doors was not opened. Staff (YCK) checked and con firmed - all train doors opened normally. ~~~~~ 2616 Pax feedback to Staff (BSH) A2 train doors was not opened. Staff (YCK) confirmed all train doors opened normally.  2616 A2 door found no FC registered. ER showed TC did not cycle doors. Checked/found both door leaves rollers delaminated. DLD/DLS/DCS & weather strip condition checked - OK. Replaced the rollers. TIMS door static timing test - Passed. Door gap = 63.8mm, door cyclic test 20x, DIR extinguished - OK. Door open/close timing within criteria.  Celine Tan 45061