As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 12, 24, 48 & 96 MONTH INSPECTIONS, CORROSION WAS DISCOVERED IN THE CABIN FLOOR LOWER SKIN AT SEVERAL LOCATIONS. FROM FS 157.00 TO FS 366.56. REPAIRS WERE MADE IN ACCORDANCE WITH TEXTRON AVIATION FIELD REPAIR # FR-560-5027-14050. DOUBLERS WERE INSTALLED TO REINFORCE 4 AREAS OF THE LOWER SKIN PN 6611040-28 AND STRINGER 16R PN 6611060-42.