TC feedback TIMS shows smoke external atRear M1 car. TC change end and feedback no physical indicat ions of smoke or fire in the train. Staff (PNR) check and fe edback no signs of smoke or fire on the external of the trai ~~~~~ FOLLOW UP OPS 10 REPLACED #1507 NO.2 END EXTER L SMOKE DETECTOR UNIT AND FUNCTION CHECK OKRAGUH/GANESAH 06/01/21 TC feedback TIMS shows smoke external at   Fault resettable. Found signs of water ingress on 1507 #2end smoke external detector. To transfer to TWD for replacement. N.ALAI.M.K //05.01.21 ---------------------