As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION: AFT CARGO COMPARTMENT, FLOOR PANEL. DUE TO OLD SEALANT A ROUND CARGO TIEDOWNS WAS NOT REMOVED CAUSING BULGE IN NEW PANEL. NEW SEALANT NOT APPLIED EITHER. ALSO INCORRECT MM REF USED. INSTALLED PANEL IAW SRM. REMOVED OLD SEALANT AROUND CARGO TIE DOWNS, APPLIED NEW SEALANT IAW SRM.