As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION CFII FLOOR STRUCTURE RT INBOARD SEAT TRACK BEAM BETWEEN FR 43 AND FR 59. CFII FLOOR STRUCTURE HRIB SEAT TRACK BEAM BETWEEN FR 43 AND FR 59 REPLACED, IAW EMB 170SRM 51-42-01 AND 51-43-01. A/C REMAINS IN CHECK.