As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINTENANCE DISCOVERED A MISSING RIVET FROM THE BELLY SKIN AT FS 585. UPON FURTHER INSPECTION, IT WAS DETERMINED THAT THERE WAS INTERNAL AND EXTERNAL CORROSION AND A TEMPORARY REPAIR WAS INSTALLED AND THE AIRCRAFT WAS FERRIED FOR REPAIR. MAINTENANCE INSTALLED PERMANENT REPAIR FROM FS 570 TO FS 595 BETWEEN L28L AND L28R IAW FORM 8110-3, NR 15454 AND DWG 53-15453-1.