TIMS showed Smoke External at Front M1 car.RearT206 did line clear from BDL1 to AMK1 confirmed n o abnormalities.al smoke or fire were visible at Front M1 car. ERS-13 ~~~~~ 1530 To check external smoke detector unit. Replaced and function test ok. Not: 2478769 raise. Done by Kalees/Sateesh. 10/04/23 #1530 Reset smoke External Alarm. Fault Cleared. 45022 1530 TIMS showed Smoke External. Did line clear from BDL1 to AMK1 confirmed no abnormalities. Staff (AMK) feedback no physical smoke or fire were visible at Front M1 car.  1530 FC 721 registered. Removed SDR11 & tagged. Fault Cleared. Elfyan 45023 Ops 20: 1530 To check external smoke detector unit.