As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT CFII, CORROSION FOUND ON RH SILL #1 BTW FR 23 AND FR 30 IN FLOOR STRUCTURE AREA. CORROSION ON RH SILL #1 BTW FR 23-30 BLENDED OUT OF LIMITS. RH SILL #1 BTW FR 23-30 REMOVED FOR REPLACEMENT. NEW RH SILL #1 BTW FR 23-30 INSTALLED WITH RIVETS