As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MAJOR INSPECTION, SEVERE CORROSION AT ALL MATING SURFACES AND ENDS OF ALL STIFFENING STRINGERS CRACKED. ALL MOUNTING FLANGES CRACKED AND CORRODED. USE PROSEAL AND PRIME THE PARTS AFTER ASSEMBLY, INSTALL DOUBLER AROUND WATER WASH FITTING TO PREVENT CRACKING.