DT567/568: UndershootDT567/568: Reported Undershoot. LDC shows slight brake blending at TAP2 stations. Time of Faults: 1803hrs(TAP2), 1949hrs(BGB2), 2001hrs(KRJ2) & 2037hrs(TAP2). ~~~~~ 567/568: Reported Undershoot. LDC shows slight brake blending at TAP2 stations. Time of Faults: 1803hrs(TAP2), 1949hrs(BGB2), 2001hrs(KRJ2) & 2037hrs(TAP2).     567/568 found FC registered. Performed brake cyclic test - OK. Found #1567 & #2568 BCU wheel diameter set incorrectly. Reset to the correct wheel diameter. Checked BCP pressure at BCU, bogie 1 & 2 for all cars - Found Consistent. Checked pneumatic lines, B13 v/v & PBSV - OK.  Jervis/Lee PT/Shafie/Alan 44407