As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* THE SEAT TRACK FROM FS661.00+32 TO FS693.00 AT RBL9.00 HAS MULTIPLE LOCATIONS OF CORROSION. (MARKED) (C-CHECK) RO 5/16/2020 REMOVED CORROSION ON RBL9 SEAT TRACK AT FS661.00+32 TO FS693.00. SEAT TRACK FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED IAW CRJ900 AMM