As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND CORROSION ON FUSELAGE SKIN INTERIOR AT LONGERON 30, BETWEEN FS 986 AND FS 992 AND ON FITTING UNDER LONGERON 30 AT AFT PRESSURE BULKHEAD. REPLACED AFT LOWER SKIN PANEL FROM STATION FS 804 TO FS 996 AND BETWEEN LONGERON 26 LEFT TO LONGERON 26 RIGHT IAW DC-9 SRM CHAPTERS 51-30-2 AND 51-30-5.