As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL CORRODED, AFT SIDE OF DOOR PN:601R31402-317. REMOVED INTERCOSTAL IAW CRJ700 SRM 51-42-06-001-001-A01. LOCATED AND DRILLED UP NEW PAX DOOR INTERCOSTAL P/N: 601R31902-317 ON AFT SIDE IAW CRJ700 SRM 51-40-11-001-001-A01, REV.37 AUG 15/2019. INSTALLED NEW SERVICEABLE INTERCOSTAL AND AFT SIDE OF DOOR IAW CRJ700 SRM 51-42-06-001-001-A01.