As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
A-28-3M NICOPRESS SLEEVE WAS IMPROPERLY INSTALLED CAUSING CABLE TO RETRACT LEAVING ELEVATOR WITHOUT ANY CONTROL. THIS END OF CABLE IS NEXT TO CONTROL STICK. SUBMITTER RECOMMENDS ALL CABLE CONNECTIONS BE INSTALLED WITH TWO SLEEVES ON CONVENTIONAL AIRCRAFT AS A SAFETY FACTOR. ALL CH-600 AND CH-601 ZODIAC AIRCRAFT.