As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT PITCHES DOWN WHEN AUTOPILOT IS ENGAGED (ALT HOLD). THE FLIGHT DIRECTOR DOES THE SAME THING , EVEN WITH THE AUTOPILOT TURNED OFF. REPAIRED SHOULDER PORT DRAIN CAN SYSTEM AND REMOVED FLIGHT DIRECTOR FOR REPAIR. INSTALLED FLIGHT DIRECTOR AFTER REPAIR. OPERATIONAL CHECK GOOD. (CLOSED)