TIMS showed Smoke Internal at car 1509.Staff(YIS) checked and confirmed no signs of smoke smell on exterior or interior of train. Rear T240 line clear no abnor malities. ~~~~~ To check external smoke detector and plaseal 1509 TIMS showed Smoke Internal. Staff(YIS) confirmed no signs of smoke smell on exterior or interior of train.    Rear T240 line clear no abnormalities.  1509 SDR11 relay removed. Isolated/tagged & security check - OK.  Akira/Shamil/Aqil 45016

To check external smoke detector and plaseal

    Found #1509 smoke detector water ingress.C/O & palseal all cars done.Function test ok.
#1509 smoke detector:-
Not: 2476222 raise.

Done by Kalees/Sufhian/Martin. 02/04/23