As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEEL BRAKES GRABBY AT LOWER GROUND SPEEDS, PULSATES THROUGHOUT AIRCRAFT. GENERALLY BELOW 60 KNOTS. PERFORMED MAXARET FUNCTION TEST. FOUND NR 4 TO BE LEAKING. REMOVED & REPLACED O-RING & REINSTALLED IAW HAWKER 800XP AMM 32-40-101. NET JETS PILOTS FUNCTION CHECKED BRAKE SYSTEM AT HIGH SPEED & LOW SPEED FOLLOWING MAINTENANCE WITH NO DISCREPANCY IAW HAWKER 800XP AMM 32-40-00.