As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AT LOWER MID CAP BETWEEN FS 310 AND FS 349. SURROUND STRUCTURE OF PASSENGER DOOR.
ACTION CORRECTIVE: LOWER MID CAP BETWEEN FS 310 AND FS 349 SURROUND STRUCTURE OF PASSENGER DOOR WAS REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01 PAR. 6 (D)