What was found
PDX - FLIGHT 2563, ON PUSHBACK THE RUDDER TRIM MOVED FULL SCALE LEFT. RETURNED TO THE GATE. MAINTENANCE REPLACED THE TRIM CONTROL PANEL AND THE DCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PDX - FLIGHT 2563, ON PUSHBACK THE RUDDER TRIM MOVED FULL SCALE LEFT. RETURNED TO THE GATE. MAINTENANCE REPLACED THE TRIM CONTROL PANEL AND THE DCU. OPERATIONAL CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.