TC reported TIMS showing BCU fault at Front M1 car. TC did a brake status check - okay. Fault self c lear. ~~~~~ 3539 - TC reported TIMS showing BCU fault at Front M1 car. (1539)TC did a brake status check - okay. Fault self clear. CE: 3539 No Recurrence Of BCU fault during monitoring Air pressure 9bars.No abnormality Depot to check  1539 Found PBSV and brake frame pipping mounting leak. Replace PBSV and retightened the pipping  and tested no leak, Brake cyclic test done ok. BCP all ok Notification:2527053 Done by:Koh/Sanip 45191