What was found
RUDDER TRIM FAILED TO TRIM IN EITHER DIRECTION. WIRING SHORT AT S3 SWITCH. REPAIRED GROUND TO S3 SWITCH ON M74 PANEL, SYSTEM CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
RUDDER TRIM FAILED TO TRIM IN EITHER DIRECTION. WIRING SHORT AT S3 SWITCH. REPAIRED GROUND TO S3 SWITCH ON M74 PANEL, SYSTEM CHECKED OK.