As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING OTHER UNSCHEDULED MX, CORROSION WAS DISCOVERED ON BOTH FUSELAGE KEEL BEAM CAPS; PN 117-21303-05. A REPAIR SCHEME WAS REQUESTED AND RECEIVED FROM THE MFG. CORRODED AREAS OF THE KEEL BEAM CAPS WILL BE REMOVED AND REPAIR SPLICES INSTALLED.