3687/3688 undershoot C REPORTED UNDERSHOOT, FROM TIMS EVENT,2688 BCP SHOW ABNORMALITY. EASE CHECK BOTH DTS <(>&<)> ESPECIALLY M2-CAR 2688 BCP for brake ending issue. ~~~~~ CAR NO: #2688. FAULT DETAIL: B1 -2.42 BAR. ACTION TAKEN: REPLACED 'ACU'. SECURITY CHECKED, OK. FUNCTION CHECKED, BRAKE PRESSURE, OK. NO AIR LEAK DETECTED ON SITE.JIMMY/IBRAHIM/BUDIMAN,28/02/20 ACU S/NO OLD: 1541/183 -NOTIF TO RSW 2136099 NEW: 1434/021