Train undershoot platform by 2 metresObserved slightly higher braking value DT562, ~~~~~ 561/562 undershoot platform by 2 metres Observed slightly higher braking value for DT562.  561/562 wheel diameter setting checked - OK. Brake pressure checked on all cars - OK. Physical brake application checked - OK. Found #1562 A1 & #2561 B3 brake units slow to release.    Notif raised to RSW for tread brake units replacement.  Kana/Sarma 44498 Notif 2326683 Name                          : KA  Date of Occurrence            : 29/10/2021 Last Service Date             :   EMU / Equipment / Location    : 1562 / BRAKE UNIT / A1 Equipment Serial No. (if any) :   Description of fault / cause  : 1562 A1 BRAKE UNIT SLOW TO                                       RELEASE.                                 (CM01 MO#11202973) Measurements (if any)         :   Required Rectification        : Required Servicing Notif 2326684 Name                          : KA  Date of Occurrence            : 29/10/21 Last Service Date             :   EMU / Equipment / Location    : 2561 / BRAKE UNIT / B3 Equipment Serial No. (if any) :   Description of fault / cause  : 2561 B3 BRAKE UNIT SLOW RELEASE                                 CM01 MO#11202973) Measurements (if any)         :   Required Rectification        : Required Servicing