As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C1 MAJOR CORROSION BETWEEN STA 1620 - 1640 L31L - L31R, BETWEEN SKIN AND INTERNAL DOUBLER, CORROSION AROUND OUTFLOW VALVE. REMOVED AND REPLACED BELLY SKIN FROM STA 1490 - 1690 L31L - L31R IAW SRM 51-1-20D AND SRM 51-1-21.