507/508 To perform brake status check. ~~~~~ 3507 To perform brake status check. 3508 FC - BCU release Fault  3507 ACU swapped with #3508 - fault transferred. Replaced #3508 ACU & brake cyclic test - OK. Brake function check & brake cyclic test - OK. No residue pressure at COAST & no air leak detected. Limited movement - OK. #3508 ACU S/N : OLD : 1044/031 NEW : 12/490/46 #3508 Brake Pressure : COAST = 0 bar B1    = 0.69 bar B2    = 1.18 bar B3    = 1.73 bar EM    = 2.50 bar  Sarma/Anand/Lee PT/Kamarul/Shafie 44873 From MO: 11514266 1)Swapped 3507 BCU with 1507 2)Brake cyclic test - OK. 3)Air leak test - OK (0.5bar/5 mins) 4)Brake pressure within criteria. 5)Wheel diameter setting:- 3507: Wheel diameter set at 795mm 1507: Wheel diameter set at 813mm BCU S/N: Before swapped. 3507:s/n:1811092 1507:s/n:1745005 Kamarul/Shafie 44872