What was found
TRIP # 00869. DISCREP: ON TAXIAND BEFORE T/O CHECKLIST, FOUND ANTI-SKID INOP. CYCLED PARKING BRAKE, WASUNABLE TO GET ANTI-SKID TO OPERATE NORMALLY. CORR ACTION: REMOVED AND REPLACED CONTROL, ANTI-SKID VALVE LEFT MAINLANDING GEAR R/H IAW MM 32-43-3, OPS CHECK ON GROUND OK.