As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON FITTING OF WEB END FS 349 LBL SIDE AT FLOOR STRUCTURE LEVEL ON PASSENGER CABIN. FITTING OF WEB END FS 349 LBL SIDE AT FLOOR STRUCTURE LEVEL ON PASSENGER CABIN WAS EVALUATED THEREFORE IT IS OUT LIMITS PER CRJ-900 SRM 53-21-23-101-001-A02 AND REPLACED PER CRJ-900 SRM 51-21-21-001-001-A01