As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION FOUND THE AFT CENTER SUPPORT RIB FOR THE UPPER WING T/E PANEL JUST O/B OF THE I/B GROUND SPOILER CRACKED ON THE RIGHT AND LEFT WING. THE CRACKS WERE .5 INCH LONG. THE RIBS WERE REMOVED AND NEW RIBS WERE INSTALLED IAW SRM 51-20-01, 51-40-02 AND DRAWING 115A2930.