As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL DD4 IS CORRODED BETWEEN FS 347 AND FS 338. C-CHECK RO 1/28/2021. REMOVED AND REPLACED INTERCOSTAL IAW CRJ200 SRM 51-42-06 AND 51-42-21 REV. 38B DATED 25 NOV 2020. FORM 337 AND MAJOR REPAIR TASK CARD 51-900-1003-SKY COMPLETED AND ATTACHED. NO WEIGHT CHANGE. SEE CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.