As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTALS 2 EA HAS CORROSION NEAR ICE BREAKER VENT DOOR OPENING. (C-CHECK) RO 3/3/2020 REPLACED INTERCOSTAL DD3 P/N 601R318056-1 AND INTERCOSTAL DD4 P/N 601R318081-1 WITH NEW REF. CRJ 900 SRM AND BOMBARDIER INC. DWG. COMPLIED WITH SKYWEST TASK CARD AND FORM M-337.