Train doors at car 3604 "A1" were not proven closed. TC recycled the train doors - ok. Staff(PYL) mo nitored for 3 stations and confirmed doors at car 3604 'A1' were slow in closing. Staff(PYL) assisted to isolate the def ~~~~~ From TIMS, FC023- Door close operation time-out: CLE Perform door cyclic test and found 3604 A1 door wobble during operation with slight obstruction while closing Further check found 3604 A1 LHS & RHS door rollers delaminated Replaced all 4 rollers and function tested - satis Door mating gap, open/close speed and push/pull force checked - satis N.A /FAIZAL/IDRIS/RIDZUAN/18.10.23