As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOOR SEAT TRACK FROM APPROX. FS581-FS693 RBL9 HAS SEVERAL AREAS OF CORROSION (C-CHECK RO 4/3/2021) REMOVED AND INSTALLED NEW SEAT TRACK, SEAT TRACK FOUND TO BE OUT OF ALLOWABLE LIMITS AFTER CORROSION REMOVAL IAW CRJ700 AMM 53-00-49-400-801-A17