As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTALS 3RD AND 4TH FROM HINGE AFT SIDE CORRODED BEYOND LIMITS. P/N'S 601R31902-317 (QTY 2). (C-CHECK) RO 2/1/2021 REMOVED DAMAGED INTERCOSTAL AND INSTALLED NEW SERVICEABLE INTERCOSTAL IAW CRJ 200 SRM 51-40-11 AND 51-42-06. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.AND COMPLIED WITH SKYWEST CARD 51-900-1003-SKY. 337 ATTACHED. / PART FOR PART REPLACEMENT, NO WEIGHT CHANGE. REFERENCED DRAWING 601R31902 FOR FASTENER CALL OUT