As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AILERON CONTROL WHEEL HAD TO BE ROTATED 10 DEGREES BEFORE AILERON MOVEMENT. FLIGHT RETURNED TO MEM AND LANDED WITHOUT INCIDENT. MAINTENANCE FOUND BOTH AILERON LATERAL CONTROL SECTORS LOOSE ON SHAFT. REPLACED LEFT AND RIGHT MIXER INPUT DRUMS, SHAFTS AND CONTROL DRUMS, OPERATIONAL CHECK NORMAL.