What was found
"CORROSION ON FLOOR SEAT RAIL FS693-667+32 LBL9 AND RBL9 (CPAX). FLOOR SEAT RAIL WERE REPLACED PER CRJ/900 AMM 53-00-49."
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
"CORROSION ON FLOOR SEAT RAIL FS693-667+32 LBL9 AND RBL9 (CPAX). FLOOR SEAT RAIL WERE REPLACED PER CRJ/900 AMM 53-00-49."