What was found
WHEN AUTOPILOT ENGAGED, ACFT WOULD NOT HOLD ALTITUDE (RAPID NOSE DOWN TRIM). REMOVED AND REPLACED ELEVATOR NEUTRAL SHIFT SENSOR PER MM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHEN AUTOPILOT ENGAGED, ACFT WOULD NOT HOLD ALTITUDE (RAPID NOSE DOWN TRIM). REMOVED AND REPLACED ELEVATOR NEUTRAL SHIFT SENSOR PER MM.