As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION WAS FOUND ON THE BASE FLANGE OF STRG 28R AT STA 720A +10 COMMON TO THE SKIN. A SECTION OF THE STRINGER WAS CUTOUT AND THE SKIN WAS CUTOUT TO REMOVE THE CORROSION. A NEW SECTION OF STRINGER WAS SPLICED IN AND A SKIN DOUBLER INSTALLED PER ER/A 363256-14, REV A.