TC reported car 1537 Fire and smoke detector lost power. Fault cleared by itself. TC reported car 15 37 Fire and smoke detector lost power. Fault cleared by itse lf. ~~~~~ 1537 TC reported Fire and smoke detector lost power. Fault cleared by itself. CE checked 1537, no fire and smoke detector. TC say fault self cleared. Depot 1537 smoke detector operational check.  1537 Replaced new power supply at FRPR. Security/function check - OK.  Shafie/Kamarul 45232