TC reported TIMS show obstacle detectedat Front DT car A3 door. TC physically check, Front DT car A 3 door did not open. Staff(NEW) checked, door able to open &close normally, but screeching sound is present when door i  ~~~~~ TC reported TIMS show obstacle detected     Check and found #3603-A3 door both side outer roller faulty.Replaced and check all measurement within criteria. Door static test pass and door function test ok. Done saini/Asruddin. 17/06/202