As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR OPENING LOWER SILL LOWER LONGERON ANGLE STRIP I/B AWIRE HARNESS MOUNTING BRACKETS ARE BOTH CORRODED BETWEEN FS 319.70 AND FS 333 IN THE CABIN BELOW THE FLOOR (C-CHECK) RO 12/14/2019 REMOVED AND REPLACED MOUNTING BRACKETS IAW CRJ 200 SRM / PN 601R31771-1 TAG B16208 / PN NAS623-3-11 TAG A39092