T201 3564 TIMS showed Smoke Internal at ~~~~~ T201 3564 TIMS showed Smoke Internal at car 2564. Staff(YCK) checked and confirmed no signs of smoke / fire / burning smell on interior of train..  Check/Service clean smoke detecotr internal at 2564 no.1 and no.2 end check ok. Function test ok. Securrity check ok. Done by Haslan/Zulf/Fauzi 10.03.2024