What was found
BRAKE PRESSURE LIGHT: LOW BRAKE PRESS AND ANTI SKID ANNUNCIATORS ILLUMINATED ON THE TAXIWAY. ALL CBS ARE IN. WE WERE TOWED BACK TO FBO. // SIGNOFF // REMOVED AND REPLACED POWER BRAKE MOTOR PN MP50B-1 SN 2996 AND INSTALLED CUSTOMER SUPPLIED OVERHAULED UNIT PN MP50B-1 SN 387. ALSO REPLACED HYDRAULIC PUMP ASSY PN 9912166-3 SN 7199 AND INSTALLED CUSTOMER SUPPLIED NEW UNIT PN 9912166-3 SN 10BU54. BLEED BRAKES AS REQUIRED, OPS AND LEAK CHECK GOOD WITH NO DEFECTS NOTED. REF CE560XL MM 32-44-20.