TC reported he heard a loud thud noise from driving cab at TDM -17. TC checked the body of the trainat KRJ SB and confirmed there was no damage. Rear T404 and SM(YWT) did line clear in ATPM mode and feedback no abnormal ~~~~~ #3548 Checked side & underframe items all ok. Further checked wheel flat at A4 and thermal crack badly. Check front cab no abnormalities. Done by Kamal.  10/04/21.