TC reported TIMS showed obstacle detected at Front DT B2 Door. Fault self-cleared and did not recur at subsequent stations. TC reported TIMS showed obstacle det ected at Front DT B2 Door. Fault self-cleared and did not re ~~~~~ 3669 TC reported TIMS showed obstacle detected at B2 Door. Fault self-cleared and did not recur at subsequent stations BSH SB. CE 3669 B2 Door Proven Closed. No Obstacle Detected. Depot 3669 B2 train door operational check.  3669 B2 door performed the following checks : FOD Found: N Weather strip condition OK: Y Push/pull door smooth, no wobble: Y Clean J-rail & Guide rail: Y 10/20mm Gauge test pass: Y Manifold/Actuator Leaking: N TIMS Door Static Timing Test Pass: Y Door cyclic test 20x, DIR Extinguish OK: Y Preventively swapped DCP from #3669 B2 to #3669 A2 for monitoring purpose. DCP S/N (Before Swap): A2: 1601W020021S027 B2: 1601W020001S028  Daniel/Chan SW/Redzwan 45497