As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM EWR TO CLT, CREW REPORTED WHEN MOVING AILERON TO THE LEFT, THERE SEEMS TO BE A "CATCH" AT ABOUT 4 UNITS ON THE AILERON TRIM INDICATOR. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE REMOVED AND REPLACED THE AILERON ARTIFICIAL CENTERING AND TRIM MECHANISM PER AMM 27-11-81-004-001 AND AMM 27-11-81-404-006.