IMDC reported 3528 smoke external. ~~~~~ To check smoke detector & plaseal Replace #3578 smoke sensor and function test ok.Plaseal ok. PCB no sign of water ingress. #3528-smoke detector:- Not: 2483192 raise. Done by Saini/Haslan. 26/04/23 3528 IMDC reported smoke external.     3528 found no related FC on smoke external. OPS 20 raised to check on smoke detector & plaseal.  Akira 45042