As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING PERIODIC CHECK, CORROSION WAS FOUND AT SEVERAL LOCATIONS ON THE LOWER SURFACE OF THE PRESSURE DECK WEB BETWEEN FS 1301 TO 1306, RBL 110 TO 127. DISCREPANT PRESSURE DECK WEB IS MADE FROM .071 INCH 7075-T6 ALUMINUM. REPAIR PER EA 66-80199.