As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL CENTER OF DOOR AT DD6 CORRODED, PN 601R318057-1. - LOCATED AND DRILLED NEW INTERCOSTAL P/N 601R318057-1 IAW CRJ 900 SRM 51-40-11-001-001-A01, INSTALLED NEW INTERCOSTAL IAW CRJ 900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01 REV 38 7-25-21.