As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING 300-600 HOUR INSPECTION AILERON PCU OPERATION TEST. FOUND AILERON QUADRANT IN RT WHEEL WELL IS NOISY (SNAPPING). AFTER REMOVING RT AILERON QUADRANT ASS FOR INVESTIGATION, FOUND RT QUADRANT ITEM 57 PAGE 27-11-00 FGURE 3 IN IPC BEARING IS DAMAGE (RACE HALF WAY ROUND). CHANGE BOTH RT AND LT QUADRANT ASSEMBLIES, NOISE DISAPPEARED.