As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
GSO - INSPECTION FOUND, CRACKS AND CORROSION IN STRINGER 20R AT STA 500 TO 520. THE CRACKS WERE .125 INCH TO .25 INCH IN LENGTH. THE DAMAGED SECTION OF STRINGER WAS REMOVED. A REPAIR WAS FABRICATED AND INSTALLED IAW SRM 53-10-3 AND 51-30-2. (Z)