TC reported Internal Smoke shown on TIMSat Front M1. Staff(BGS) checked and feedback no sign of smo ke or heat. Staff escorted the train till PSR and train was reformed and withdrawn as scheduled at PSR. TC reported Inte ~~~~~ TC reported Internal Smoke shown on TIMS   Fault unable to duplicate in depot Checked TIMS record, and found having FC735 Replaced power supply unit as preventive measure Function test for 1 hour, no fault triggered. N.AMUTALIB/ZAINI/14.07.22