As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOUND CORROSION TO LOWER MAIN CARRY THROUGH SPAR BOX CHANNEL BS 109. DAMAGE EXTENDED FROM 7 INCHES LT OF CENTERLINE OF FUSELAGE, AND CONTINUED TO 20.5 INCHES LT OF FUSELAGE CENTERLINE. APPROXIMATELY 50 PERCENT OF THE THICKNESS OF THE FORWARD LIP OF THE LOWER SPAR BOX CHANNEL WAS DESTROYED BY CORROSION.