As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
IRREGULAR CONTROL FORCES. WHEN LEFT AILERON IS APPLIED IT FEELS LIKE A SECTION OF SLACK FOLLOWED BY A SECTION OF BINDING. ONLY OCCURS TO THE LEFT. DOES NOT OCCUR WITH HYDRAULICS OFF. CONTROL MOVEMENT DID CORRECTLY RESPOND TO APPLICATION. SET AILERON TRIM TO 0 DEGREES, PERFORMED OPC IAW AMM 27-11-00-710-003 OF THE AILERON CONTROL SYSTEM. OPC GOOD. OK FOR SVC.