snaprep: 2547 knocking sound ~~~~~ snaprep : 2547 knocking sound CE : 2547 bogie 1 wheel flat noise.  2547 A2 & B2 wheel flat 30x30mm, pitted. No BCU fault. Dump Valve operations test - ok. Notification 2546737 raised for Wheel Profiling.  Aliff/Daniel 45259 Notif 2546737 Name                          :Aliff/Daniel Date of Occurrence            :28.11.23 EMU / Equipment / Location    :2547 / WHEEL / A2 & B2 Description of fault / cause  :Wheel Flat noise Measurements (if any)         :A2- 30x30mm (wheel flat)                                B2- 40x40mm (wheel flat & wheel                                  pitted)