TIMS showed Smoke Internal at car 1513.Staff(AMK) checked and confirmed no signs of smoke / fire / burning smell on interior of train. Train was escorted to te rminal station. TIMS showed Smoke Internal at car 1513. Staf ~~~~~ 1513 TIMS showed Smoke Internal. Staff(AMK) confirmed no signs of smoke/fire/burning smell on interior of train. Train was escorted to terminal station. TIMS showed Smoke Internal at 1513. CE checked:  1513 smoke internal reset ok n fault cleared.  1513 Checked internal smoke detector via No 1 end grill, found clean with no dirt or dust. Swapped SDR1 relay on FCP between #1513 & #2513. Performed smoke test and found no abnormalities. Ops 20 raised for smoke detector check.  Alan/Kamarul 45247  CAR 1513 NO 1 END SMOKE INTER L DETECTOR REPLACED NEW SMOKE    DETECTOR.RUN TEST NO FAULTINDICATION.MONITOR 1HRS OK TO FURTHER MONITOR AT MAINLINE.AKHBAR/M HAIRUL/ZAHIR 07.12.2023