As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DESCENT WITH FGC CHANNEL [A] CONTROLLING, UNCOMMANDED RUDDER INPUTS LT AND RT OCCURRED. SHORTLY AFTER, AMBER CAS "FLIGHT CONTROL FAULT" AND "RUDDER" FLIGHT CONTROL SHUTOFF LIGHT ILLUMINATED INTERMITTENTLY ABOUT 12 TIMES. AMBER CAS DID NOT REMAIN ON. REMOVED THE RUDDER COMMAND BUNGEE AND INSTALLED SERVICEABLE NEW UNIT IAW MM 27-40-00. OPS CHECKED GOOD.