As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
HAS A RIVET WITH A CRACK EMANATING FROM IT & ASSOCIATED CORROSION IN THAT AREA. DIMENSION OF CRACK IS ½ OF AN INCH. AREA OF CORROSION AS EVIDENCED BY BULGING SKIN IS 1 INCH BY 1 1/4. UNABLE TO ACCESS THE CORRODED AREA FROM INSIDE THE CARGO COMPARTMENT AS IT IS UNDERNEATH LONGERON 29R.