As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE PASSENGER DOOR INTERNAL STRUCTURE'S FWD FORMER AT FS311.75 HAS CORROSION ON ITS WEB AND FLANGE BEHIND ACCESS PANEL 832FL. REMOVED AND REPLACED WITH NEW PAX DOOR FWD FORMER AT FS311.75 PER CRJ900 SRM 51-42-06-001-001-A01 & BOMBARDIER DRAWING 601R31702 REV-N.