As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ANNUAL INSPECTION FOUND THE ELEVATOR TRIM TAB HORN BEARING FROZEN. WHEN HORN WAS REMOVED TO REPLACE THE BEARING THE 2 ATTACHMENT SCREWS IN THE FORWARD HOLES OF THE BEARING WERE FOUND SEVERELY CORRODED. MORE THAN 50 PERCENT OF THE ORRIGINAL DIAMETER WAS ERODED AWAY.