TC reported rear cab entry illuminated.Staff(DVR) checked and confirmed rear cab A-side partition d oor mechanism loosen, unable to latch. Door opened by itself . Staff(CNG) escorted till PNR station and Staff(PNR) to TLK ~~~~~ #3618 REPLACED MISSING SCREW ON BASEPLATES.BASEPLATE CHECKED OK.LATCHING MECHANISM SECURED,FUNCTION CHECKED OK.HAZIQ 02.10.2023