As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
* PASSENGER DOOR INTERCOSTAL DD4 BETWEEN FORMER 311.75 AND FORMER 320.163 HAS CORROSION. (C-CHECK) RO 3/6/2020 REPLACED PAX DOOR INTERCOSTAL DD4 WITH NEW INTERCOSTAL REF CRJ-900 SRM AND BOMBARDIER DWG. COMPLIED WITH TASK CARD. NO LEAKS NOTED.