As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR FORMER AT F/S 320.163 HAS CORROSION (C-CHECK) RO 3/6/2020 FOUND PAX DOOR FORMER AT FS 320.163 TO BE BEYOND ACCEPTABLE LIMITS. REMOVED AND INSATALLED NEW PAX DOOR FORMER AT 320.163. REF. CRJ 900 SRM AND BOMBARDIER DWG. COMPLIED WITH TASK CARD. NO LEAKS NOTED.