As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PAX DOOR INTERCOSTAL DD6 PN601R31902-323 IS CORRODED. SEE SRM 52-11-06-001-001-A01 ITEM 75 FOR LOCATION. REMOVED PAX DOOR AFT INTERCOSTAL DD6 IAW CRJ700 SRM 51-42-06-001-001-A01 AND THEN LOCATED DRILLED AND INSTALLED NEW SERVICEABLE AFT INTERCOSTAL DD6 P/N:601R31902-323 IAW CRJ 700 SRM 51-40-11-001-001-A01 AND 51-42-06-001-001-A01