3654 Observed wheel slip slide at axle 1 while braking during depot shunting.
To check and rectify. ~~~~~ 3654 Observed wheel slip slide while bra  No fault code recorded. check and found 3654 Tacho 1 cannon plug to Tacho gen slight loose. Open and measure tacho cable continuity satis. Reinstall and tighten back Cannon plu ok. Check BCU cannon plug no sign of loosenesss. Measure from BCU to Tacho satis. Conducted limited movement several times ok. Brake static test ok. Depot shunting ok. Done by Saini/Morgan 45463