As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE IN HEAVY CHECK- CF 3 CABIN FLOOR STRUCTURE CORROSION RH GUSSET AT FR84. REMOVED CORROSION ON CF 3 CABIN FLOOR STRUCTURE RH GUSSET AT FR84 BY BLENDING. REMOVED 0.009" MATERIAL TO REMOVE DAMAGED AREA WHERE MATERIAL WAS REMOVED IS "OUT" OF LIMITS OF SRM REF: SRM 51-75-16. REMOVED AND INSTALLED NEW R/H GUSSET AT FR84. REF: EMB SRM 51-21-01, SRM 51-40-08.