As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON ACCESS 542BZ 532DZ, 542AZ AND 642AZ. CORROSION WAS REMOVED ON ACCESS 532DZ PER CRJ-900 SRM 51-21-06-001-001-A01 AND WAS FOUND WITHIN OF LIMITS PER CRJ-900 SRM 57-41-01-101-002-A01, DUE TO EXCESIVE DAMAGE ON ACCESS 542BZ, 542AZ AND 642AZ WAS REPLACED AND VERIFIED PER CRJ-900 IPC 57-52-32.