As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE FUSELAGE SKIN WAS FOUND WITH AN AREA OF CORROSION BETWEEN FS 720 & 720A AND BETWEEN S-28L & 28R. THE DAMAGE WAS ADJACENT TO AN EXISTING REPAIR CUTOUT. THE EXISTING CUTOUT WAS ENLARGED TO 8.8 X 25 TO REMOVE ALL DAMAGE. THE CUTOUT WAS REPAIRED WITH AN EXTERNAL ALUMINUM DOUBLER PER ER/A 368118-14, REV B.