As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PASSENGER DOOR INNER SKIN IS CORRODED AT NUTPLATE HOLES FOR ACCESS PANEL. REMOVED UNSREVICEABLE PASSENGER DOOR INNER SKIN. INSTALLED A SERVICEABLE PASSENGER DOOR INNER SKIN IAW CRJ 900 SRM 51-20-11-001-001-A01, AND 51-42-06-001-001-A01.