Rear cab entry indication illuminated. Staff(CBR) checked and feedback 'B' side partition door was o pened. Staff(CBR) checked and confirmed no unauthorized pers on, no suspicious item and all switches (sealed and unsealed ~~~~~ 3670 Rear cab entry indication illuminated. Staff(CBR) feedback 3669 B/S partition door was opened. Staff(CBR) checked and confirmed no unauthorized person, no suspicious item and all switches(sealed and unsealed)in normal condition inside the rear driving cab. Staff(CBR) closed the partition door - ok. JUR SB CE : 3669 partition door latch n security check ok.  3669 Checked found A-side partition door not properly latch on the upper latch. Repositioned latch & function test both door leaf OK.  Aliff/Daniel 45406