As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EXTENSIVE CORROSION IN SEVERAL AREAS OF THE TAIL BOOM. CORROSION UNDER THE LT AND RIGHT SIDES OF THE HORIZONTAL STABILIZER THROUTH THE SHEET ALUMINUM. CORROSION UNDER THE AIRCRAFT, BELOW THE BAGGAGE AREA THROUGH THE SHEET ALUMINUM AND CORROSION ON THE ANGLED FITTING IN THE FORWARD VERTICAL STABILIZER. THE CORROSION WAS FOUND DURING AN ANNUAL INSPECTION OF THE AIRCRAFT.