TIMS showed fire and smoke detector losspower at car 2525 ~~~~~ check tims FC 735 fire and smoke detector loss power self clear.check fire relay panel and roof for any signs of water ingress ok.check FRCB and FRPR ok.swapped fire relay panel  from #2525 (S/N:102) to #2526 (S/N:098).monitor an hrs ok.further check on previous history found S/N:102 has swapping history.as a PM C/O #2526 fire relay panel (S/N:102) with spare (S/N:012).security check ok.function check ok. Hafiz.R / Hari / Ethan 09.07.2023 Notif:2504514