TIMS showed Smoke Internal at car 2603.Staff(AMK) checked and confirmed no signs of smoke / fire / burning smell on exterior or interior of train. Train was es corted to terminal station. ~~~~~ BSD: To c/o 2603 external smoke detector with cable gland & gasket.  #2603 replace external smoke detector. Function test ok. Security check ok. Notification: 2620467. Done by: Haslan and Fauzi. 24/07/2024. 2603 TIMS showed Smoke External. Staff(AMK) confirmed no signs of smoke/fire/burning smell on exterior or interior of train. Train was escorted to terminal station. CE : 2603 Smoke External Alarm Reset. Fault Cleared.  2603 FC 721 (smoke external). Checked #2603 external smoke detector found no cable gland and gasket. Plaseal present. No water ingress found. OPS 20 raised to c/o #2603 external smoke detector.  Shafie/Anand/Kamarul/Lee PT 45483