As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CORROSION VISIT INSPECTION, THE LOWER FUSELAGE SKIN BETWEEN STA 700 TO 720 AND S-28L AND S-28R WAS FOUND TO HAVE CORROSION THAT REQUIRED A 33.0 BY 17.5 SKIN CUTOUT. THE SKIN WAS REPAIRED WITH AN EXTERNAL DOUBLER IN ACCORDANCE WITH AD 91-09-09, AND THE ASSOCIATED BAC S/B 727-53-0203 REV 2.