As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)AILERON CHAIN LINK BROKE IN FLIGHT. PILOT ABLE TO LAND. FAILURE POSSIBLY CAUSED BY WORK HARDENING OF SHANK OF LINK WHICH CAUSED IT TO FRACTURE, POSSIBLY BECAUSE OF USE OF 'VICE-GRIPS' TO ADJUST AILERON TENSION. EVIDENCE TO THIS FOUND ON OTHER END OF LINK WHICH IS BENT. OTHER SIDE PART #C2CF1198.