As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCID INSPECTION 53-20, A MISSING RIVET HEAD WAS FOUND AT STA 712.0. RT SIDE AT THE FLOORBEAM TO BELTFRAME ATTACH POINT. CORROSION WAS FOUND UNDER RIVET HEAD. NO OTHER RIVETS WERE FOUND TO BE CORRODED AT THIS TIME. RIVET REPLACEMENT IN PROGRESS AT THIS TIME.