As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* RH FS 849 TO 977 APPROX BL9 SEAT TRACK HAS NUMEROUS SPOTS OF CORROSION AS MARKED. (C-CHECK RO 7/7/2021) RH FS 849 TO 977 APPROX BL9 FOUND TO BE OUT OF LIMITS. REMOVED AND INSTALLED NEW SEAT TRACK AT RH FS 849 TO 977 APPROX BL9 REF CRJ900 AMM 53-00-49-400-801-A07.