As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION TYPE EXFOLIATION ON INTERCOSTAL BTW L29L STA 1212 TO 1231 AT AFT CARGO COMPARTMENT (C3). DUE TO THE EXCESSIVE DAMAGE (CORROSION LEVEL 2) INTERCOSTAL ON STA 1212 TO 1231 WAS REPLACED PER DWG : 5936071 REV: W AND DC-9/MD80 SRM 51-30-2 AND 51-30-5. (LP0935487)