What was found
ELEVATOR OSCILLATES VIOLENTLY WHEN AUTO PILOT WAS ENGAGED. COULD NOT DUPLICATE. REPLACED THE AUTO PILOT CONTROLLER IAW DC9 M.M. 22-10-00-5. AUTO PILOT SYSTEM OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ELEVATOR OSCILLATES VIOLENTLY WHEN AUTO PILOT WAS ENGAGED. COULD NOT DUPLICATE. REPLACED THE AUTO PILOT CONTROLLER IAW DC9 M.M. 22-10-00-5. AUTO PILOT SYSTEM OPS CHECK GOOD.