Rear cab entry indication illuminated. Staff(DBG) checked and feedback 'B' side partition door was o pened. Staff(DBG) checked and confirmed no unauthorized pers on, no suspicious item and all switches (sealed and unsealed ~~~~~ 3683-Rear cab entry indication illuminated. Staff(DBG) feedback 'B' side partition door was opened. Staff(DBG) confirmed no unauthorized person, no suspicious item and all switches(sealed and unsealed).  3683 found the cab partition door B/S door handle was loose & re-tightened/re-secured the door handle. Security check & function test - OK. Checked both cab partition door limit switch - OK. As preventive measure, re-adjusted the limit s/w clearance to the lowest slot. Function test both cab partition doors - OK.  Hanafi/Au TK 44798