As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THESE FITTINGS ARE MADE OF STEEL, DISSIMILAR METAL CORROSION HAD STARTED BETWEEN SKIN AND FITTINGS WHERE THEY ATTACH. ON TWO OF FITTINGS, SEVERAL RIVETS HAD POPPED THE HEADS OFF WHERE ATTACHED TO SKIN. THESE FITTINGS ATTACH FORWARD OF THE AFT BULKHEAD WHERE THE STABILATOR ATTACH BRACKETS ARE.