As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AIRCRAFT EXPERIENCED AN UNCOMMANDED ROLL DISCONNECT ON LANDING. ROLL DISCONNECT SYSTEM INSPECTED AND NO FAULT FOUND. MANUFACTURER NOTIFIED. AWAITING APPROVAL OF DEHAVILLAND SB 8-27-79 REINSTALLATION AND REPOSITION OF MODIFIED DISCONNECT SPRING.