As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BOTH AUTOPILOTS FAILED IN FLIGHT AND WOULD NOT RE-ENGAGE. REMOVED AND REPLACED ELEVATOR SERVO, PERFORMED FUNCTIONAL TEST OF FLIGHT GUIDANCE / AUTO PILOT SYSTEMS WITH NO DISCREPANCIES NOTED. WORK PERFORMED IAW HAWKER SPZ-8000 M.M. 22-14-00