As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AN ANNUAL INSPECTION, MECHANIC NOTICED LATERAL PLAY IN THE ELEVATOR CONTROL HORN. ELEVATOR CONTROL HORN WAS REMOVED AND FURTHER INSPECTION SHOWED THAT THE HOLES IN THE HORN HAD BEEN TOO LARGE FOR THE .1250" RIVETS USED DURING INSTALLATION.