As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, COCKPIT STA 133 - STA 148 RBL 63 SUB FLOOR FILLER DOUBLER WITH CORROSION & SHEARED RIVET. REMOVED CORROSION IAW DC-8 SRM 51-1-8, FOUND TO BE WITHIN LIMITS IAW DC-8 SRM 53-2-0; REMOVED AND REPLACED RIVET IAW DC-8 SRM 51-1-21.