As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*R/H SIDE SEAT RAIL SUPPORT STRUCTURE (HAT CHANNEL) HAS 2EA AREAS OF CORROSION FROM FS 669.40 TO FS 720.85. MARKED WITH RED GREASE PENCIL (C-CHECK) RO 5/10/2020 BLENDED RH SIDE SEAT RAIL SUPPORT STRUCTURE (HAT CHANNEL) FROM FS669.4 TO FS720.85 REF CRJ900 SRM. OUT OF LIMITS REF CRJ900 SRM. REPLACED SIDE SEAT RAIL SUPPORT STRUCTURE REF CRJ900 AMM.