As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR DD4 INTERCOSTAL CORRODED BETWEEN FS320.163 AND FS335.963. LOCATED AND DRILLED AND INSTALLED NEW SERVICEABLE PAX DOOR DD4 INTERCOSTAL BETWEEN FS 320.163 AND FS 335.963 IAW CRJ 700 SRM 51-40-11-001-001-A01, 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. P/N 601R318081-1S.