As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING 300-600 HOURS INSPECTION AILERON PCU OPERATION TEST, FOUND AILERON QUADRANT IN RT WHEEL WELL IS NOISY (SNAPPING).AFTER REMOVING RT/ AILERON QUADRANT ASSEMBLY FOR INVESTIGATION, FOUND RT/ QUADRANT, BEARING IS DAMAGED (RACES HALF WAY ROUND). CHANGED BOTH RT AND LT QUADRANT ASSEMBLIES, NOISE DISAPPEARED.