As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF, AIRCAFT REQUI RED 5-6 UNITS LT AILERON TO MAINTAIN LE VEL FLIGHT INSPECTED AILERON CABLES ABSB AT B SYSTEM DRUM ASSY. FOUND SHEAR RIVETS SHEARED ON ABSB DRUM. EMERGENCY DECLARED. AILERON POWER CONTROL UNIT REMOVAL AND INSTALATION COMPLETED. ALL OPS CHKS COMPLETED.