As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE STRINGER 29R KEEL CHORD WAS FOUND BADLY CORRODED AT FS 1405. THE CHORD WAS CUT AT FS 1390 AND THE AFT SECTION OF CHORD REMOVED TO ELIMINATE THE CORROSION. A NEW SECTION OF CHORD WAS SPLICED IN AT FS 1390 WITH STEEL REPAIR CHANNELS INSTALLED PER ER/A 377330-14, REV A.