TC reported TIMS showed obstacle detected at the Rear DT car.. Spare train launched from UPD. ~~~~~ 3559 TC reported TIMS showed obstacle detected. #Train taken out from service at JUR MT. Spare train launched from UPD.  3559 found B/S obstacle detector wire dislodged. Rectification done. Side finding : #3559 FC 735 on TIMS. Swapped #3559 smoke detector Fire control panel to #1559 for monitoring purposes.  Shafie/Anand/Alan/Kamarul 45419 FCP S/N : (after swapped) #3559 : 189 #1559 : 187