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 INTERCOSTAL DD6 BETWEEN FS320.163 AND FS338.963 HAS CORROSION ON ITS FLANGES AND WEB. REMOVED PAX DOOR INTERCOSTAL DD6 BETWEEN FS 320.163 AND FS 338.963, ORDERED AND RECEIVED, LOCATED AND DRILLED, AND INSTALLED NEW INTERCOSTAL PER CRJ900 SRM 51-42-06-001-001-A01 & 51-42-21-001-001-A01.