As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CAPTAIN LEG AP DISCONNETED PITCH WENT FULL DOWN PEDESTAL TRIM WENT INOPERATIVE. THE CAPTAIN HAD TO HOLD BOTH ARMS AROUND YOKE TO MAINTAIN ALTITUDE. ONCE ON THE GND AT THE GATE CAPTAIN TRIM WAS BACKWARDS. FIRST OFFICER NORMAL PEDESTAL NORMAL. FOUND THE CAPTAIN PITCH TRIM SWITCH INSTALLED INCORRECT & WIRE CHAFED, R & R BOTH. THE HS ACE COMPUTER WAS ALSO R & R.