As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PRIOR TO TAXI RUDDER TRIM ALL THE WAY LEFT AND WILL NOT (UNABLE) RETRIM. INSTALLED NEW RUDDER TRIM INDICATOR AND RUDDER TRIM INTERRUPT RELAY. TEAR DOWN REPORTS STILL NOT AVAILABLE, SPECIFIC PART CAUSE AND RESOLUTION STILL NOT CONFIRMED.