TC reported of smoke internal alarm at car 1558. Staff YCK assisted to check for smoke/fire at the a ffected car. Staff YCK further informed no sign of smoke/fir e.Train is escorted to terminal station. ~~~~~ TC reported of smoke internal alarm at car 1558. Staff YCK assisted to check for smoke/fire at the affected car. Staff YCK further informed no sign of smoke/fire. Train is escorted to terminal station. CE: 1558 Smoke Internal pre-alarm Reset. Fault Cleared.  Checked car 1558, on TIMS saw FC720, 731, 735. Removed the internal smoke detector and serviced it with compressed air. Secured the smoke detector back and function tested ok. Monitored no further false triggering. DOne by: Saini/ASruddin 45172