As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE REPLACING PRIMARY CONTROL CABLES PER AD 87-02-02, THE UPPER CONTROL STOPS WERE REMOVED FROM THE ELEVATOR CONTROL QUADRANT. AFTER REMOVAL, THE QUADRANT CASTING WAS FOUND SEVERELY CORRODED AND ELONGATED AT UPPER STOP BOLT HOLE. SUBSTANTIAL CASTING MATERIAL WAS ERODED AWAY AT THIS LOCATION.