Train doors at car 3629 were not provenclosed. TC opened and closed a few times to clear fault. TC informed obstacle detected at car 3629 door A4. Staff(YCK) c hecked and confirmed no abnormalities. ~~~~~ Train doors at car 3629 were not proven     Do all cyclic test and found door mating strip out of criteria.Readjusted door mating and checked ok.Door static test within critera,fault clear. Done by Koh B.S. 19/12/20