Rear cab entry indication illuminated. Staff (BBT) checked and feedback both doors were closed. Staf f confirmed no unauthorized person, no suspicious item and a ll switches (sealed and unsealed) in normal condition inside ~~~~~ Rear cab 3552 entry indication illuminated.     Found #3552 partition door A-side unable to latch at top. Conducted door push test, cab light and rear cab entry intermittently lit. Checked and found A/S door leaf locking mechansim out of alignment. Adjusted rod assembly ok. Function check door handle ok. Conducted push test ok. Done by Lincoln/Ting Wei. 04/05/21.