DSO Loongfeedback to SMOCC Ho, earlierexperienced a jerk when travelling from CTH to DBG NB. No a bnormality from DBG onwards.k - no abnormality. ~~~~~ 3687 - DSO Loong  feedback to SMOCC Ho, earlier experienced a jerk when travelling from CTH to DBG NB. No abnormality from DBG onwards. ##SM(CTH) took cab ride to check - no abnormality.##RSD informed. 687/688 having slight jerk during braking ...CE feedback.  687/688 ER D/L & no abnormal fault code found. Brake pressure test - OK. Further checked/found 1688 charging resistor M13 to M41 & M13 to M42 one each open circuit - Replaced. Function test & limited movement - OK.  Chan GF/Alcus 44112