As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE BL 70.5 RIB CHORDS ON THE LT & RT WINGS WERE FOUND WITH TYPICAL FASTENER HOLE CRACKS IN THE VERTICAL FLANGE OF THE CHORDS AT FS 760.95. THE CRACKS ARE THE FWD FASTENER HOLE OF EACH CHORD AND ARE TYPICAL OF BAC S/B 727-57-0112. THE CRACKS WERE REMOVED BY OVERSIZING THE HOLES, TAKING AN INSURANCE CUT, COLDWORKING THE HOLES, AND INSTALLING O/S FASTENERS. THE REPAIR WAS DONE PER ER/A 378541-14AD, REV B.