What was found
WHEN AUTOPILOT ENGAGED ON FIRST OFFICER'S SIDE, THE AIRCRAFT ABRUPTLY LEVELS OFF 300 FEET PRIOR TO SELECTED ALTITUDE. REPLACED ELEVATOR SERVO AS REQUIRED. SYSTEM OPS CHECKS GOOD IAW 22-10-00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHEN AUTOPILOT ENGAGED ON FIRST OFFICER'S SIDE, THE AIRCRAFT ABRUPTLY LEVELS OFF 300 FEET PRIOR TO SELECTED ALTITUDE. REPLACED ELEVATOR SERVO AS REQUIRED. SYSTEM OPS CHECKS GOOD IAW 22-10-00.