What was found
SUBSEQUENT ACTION: REPLACED THE PARKING BRAKE VALVE, ANTISKID CONTROL SERVO VALVE AND THE POWER BRAKE VALVE IAW CE560XL MM 32-42-03 AND 32-42-05. BLED BRAKES. LEAK CHECKS ARE GOOD. OPERATIONAL CHECKS ARE GOOD. TAXI CHECK IS GOOD. PART DETAILS: PARKING BRAKE VALVE PN: 9912388-11 SN OFF: 1267A SN ON: 0626. ANTISKID VALVE: PN 9912489-4 SN OFF: 508 SN ON: 288. VALVE: PN: 9912489-8 SN OFF: 435 SN ON: 252