TIMS showed Smoke Internal at car 1564.Staff(AMK) checked and confirmed no signs of smoke on exteri or or interior of train. Train was escorted to terminal stat ion. ~~~~~ TIMS showed Smoke Internal at car 1564.Staff(AMK) checked and confirmed no signs of smoke on exterior or interior of train. Train was escorted to terminal station.  At car 1564 found FC 720, 731. Removed the smoke detector sensor and serviced it with compressed air. Function tested ok. Monitored for a few hours ok. Done by: Koh/Kalees 45172