As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED "AILERON TRIM TAB EXPLODED IN FLIGHT" INITIAL INSPECTION FOUND THE AILERON TRIM TAB TOP SKIN TO BE DE-LAMINATED FROM THE FORWARD EDGE. MAINTENANCE INSPECTED AND FOUND THE DAMAGE LIMITED TO THE AILERON TRIM TAB, THE TAB WAS REPLACED WITH NO FURTHER DISCREPANCIES NOTED.