TC feedback rear partition door latch was loose, unable to latch. Staff(RFP) checked and confirmed, escorted train. Train was reformed with morning peak schedul e withdrawal returning back to UPD. ~~~~~ 3626 TC feedback rear partition door unable to latch. Staff(RFP) checked and confirmed, escorted train. Train was reformed with morning peak schedule withdrawal returning back to UPD. CE : 3626 partition door able to latch,found handle dislodged.  3626 Checked & found rear partition door latch allen key stop bolt was loose. Retightened and function check - OK.     Kamarul 45492