TC reported TIMS showed Smoke External Alarm at RM2 car. TC change end at JKN SD and feedback no sig n of smoke or heat. TC reported TIMS showed Smoke External A larm at RM2 car. TC change end at JKN SD and feedback no sig ~~~~~ #2668 SMOKE EXTER L ALARM.CHECK CONFIRM FAULT AT #2668.FURTHER CHECK FOUND SMOKE DETECTOR WITH WATER INGRESS.C/O    DONE.SEAL THE CONNECTOR WITH PLASEAL DONE OK.SECURE/FUNCTION CHECK DONE OK.GANESAN/LEONG/SHAHRIE 25.01.2023 #2668 SMOKE DETECTOR S/N OLD -NIL NEW - SD030 NOTIFICATION 2455921