As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-4 CHECK INSPECTION, FOUND FS 1766 AFT PRESSURE BULKHEAD RIGHT HAND HORIZONTAL SUPPORT ANGLE ATTACHING TRANSVERSE FLOORBEAM CORRODED. REMOVED AND REPLACED ANGLE IAW DC-8 SRM 51-1-0 AND INSTALLED FASTENERS IAW DC-8 SRM 51-1-21. CORROSION CARD NR 5600-0551, NON-ROUTINE TASK CARD NR 88080.