As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING A PHASE CHECK, A GRINDING NOISE WAS HEARD WHEN THE AILERON WAS MOVED BY HAND TO CHECK FOR FREEDOM OF MOVEMENT. UPON FURTHER INVESTIGATION,THE BOLT HOLDING THE PULLEY IN PLACE WAS REMOVED AND THE BEARING FELL APART. BEARING WAS SEVERELY CORRODED AND BUSHING FOUND TO BE GOUGED. PULLEY AND BUSHING REPLACED. TIMES: 36,972.52 CYCLES: 23,427 (TC NR 20060822005)