What was found
AFT FUSELAGE, AFTER DRAIN MAST REMOVAL IT WAS FOUND THE EXTERNAL SKIN CORRODED UNDERNEATH OF DRAIN MAST BETWEEN BS 1661 - 1681, STRINGER 25R - 26R.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFT FUSELAGE, AFTER DRAIN MAST REMOVAL IT WAS FOUND THE EXTERNAL SKIN CORRODED UNDERNEATH OF DRAIN MAST BETWEEN BS 1661 - 1681, STRINGER 25R - 26R.