As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERON TRIM CONTROL FROZE DURING CRUISE AT FL370. AILERON CONTROLS NORMAL DURING FLIGHT. AILERON TRIM OPERATED NORMALLY AFTER DESCENT THROUGH FL200. INSPECTED AILERON TRIM CONTROL CABLES AND PULLEYS. LUBED ALL CABLES AND PULLEYS WITH LPS1. CHECK-C 6-18-98 STL.