As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR DD6 INTERCOSTAL CORRODED. (C-CHECK RO 6/29/2021) DAMAGED INTERCOSTAL WAS REMOVED AND A NEW SERVICABLE INTERCOSTAL INSTALLED IAW CRJ 700 SRM 51-42-06-001-001-A01, 51-40-11-001-001-A01, AND 51-42-21-001-001-A01. M-337 AND TASK CARD 51-900-1002-SKY ATTACHED. NO CHANGE TO WEIGHT AND BALANCE