As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A 100-HOUR INSPECTION, A SECTION OF MATERIAL USED FOR DAMPING ''OIL CANNING'' WAS REMOVED FROM THE INTERIOR FUSELAGE SKIN BELOW THE AFT SIDE WINDOW. HEAVY CORROSION WAS FOUND ACROSS THE ENTIRE AREA COVERED BY THE MATERIAL. THIS MATERIAL IS USED EXTENSIVELY THROUGHOUT THE AIRFRAME AT MANUFACTURE. (X)