As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WING CENTER RIBS AT STATION 190.0 IN BOTH WINGS WERE FOUND CRACKED AT THE TRAILING EDGE WERE THEY ATTACH TO THE AUX REAR SPAR OF THE WING. STN 190.0 IN THE OB AILERON HINGE ATTACH POINT. IT IS SUSPECTED THAT AT SOME TIME THIS AIRCRAFT WAS SUBJECTED TO WING GUSTS WITHOUT THE CONTROLS LOCKED. SEE ATTACHED PHOTO`S OF THE CRACKED RIBS. (TC NR 20060716001)