As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSTALLED NEW AILERON HINGE BEARING ASSY. DURING INSTALLATION OF AILERON HINGE BOLT, BEARING CAME APART. HAD BEARING ASSY BEEN ASSEMBLED AND INSPECTED PER S26-4558 SPEC, ITEM WOULD NOT HAVE BEEN SOLD TO OUTSIDE COMPANY AS SERVICEABLE PART.