As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT 5369 DURING CRUISE FLIGHT THE AILERON CONTROLS SEEMED TO REQUIRE MORE THAN NORMAL FORCE TO OPERATE. CREW ELECTED TO PERFORM AN EMERGENCY DESCENT TO LOWER ALTITUDE WHERE THE AILERONS RETURNED BACK TO NORMAL OPERATION. REPLACED AILERON CONTROL PATH PULLEYS.