3630 B3 train doors did not open at plat ~~~~~ * ,N * No FC Open Close speed pass: Y FOD found: N Door cycle 20x: Y Rubbing marks: N Door Wobble: Y Rectification Actions: Manually opened door felt slight jerk and obstruction. Found 3630 B3 RHS door roller laminate came off and LHS door outer roller delaminated. Replaced both rollers and function tested ok - door operation smooth. DONE BY:SANKAR/SHAARI 09.10.2023