As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LONGERON 30 BETWEEN STATION 1178 AND STATION 1193 AT AFT CARGO BAY UNDER FLOOR. AREA OF DISCREPANCY IS .24 INCH BY 4 INCHES WITH A DEPTH OF .049 INCH. INSTALLED REPAIR STRAP DOUBLER PER ENGINEERING AUTHORIZATION MD80 53-005338 DATED 28 JAN 09