As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON ACCESS PANELS 542AZ 542BZ 642AZ AND 642BZ CORRODED ON ACCESS PANELS WERE REMOVED PER CRJ900 SRM 51-21-06-001-001-A01 AND WERE EVALUATED OUT OF LIMITS IAW SRM 53-00-00-101-001-A01 AND ACCESS PANELS 542AZ, 542BZ, 642AZ AND 642BZ WERE REPLACED AND VERIFIED PER AIPC 57-52-32