What was found
AILERON TRIM INDICATOR WOULD NOT INDICATE. FURTHER TROUBLESHOOTING REVEALED CORROSION IN AILERON TRIM ACTUATOR POWER WIRE HARNESS CONNECTION. PINS IN CONNECTOR WERE CORRODED AND BRITTLE. REMOVED ACTUATOR, PN 14570001, AND INSTALLED NEW, IMPROVED ACTUATOR, PN 14570002. OPERATIONAL CHECK NORMAL.