Tain EB applied at track circuit E565 inAuto mode. ATS alarm shows "Train doors opened while moving ." Released EB-ok. Train proceeded in ATPM to the next stati on. Train was reformed with T121(3329) and withdrawn as sche ~~~~~ Found door plunge bracket misliagned. Due to misalignment, plunger could not depress door close switch. Realigned bracket and function tested ok. DIR not lit.  / LAI.M.K/05.04.22