As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION; SERVICE DOOR SILL ANGLE @ 12 LOCATIONS. REMOVED CORRODED SERVICE DOOR SEAL STRIKER, ANGLE MOUNT & 4EA SUPPORT ANGLES LOCATED AND DRILLED AND REPLACED WITH SERVICEABLE PARTS IAW CRJ 900 SRM 51-42-06-001-001-A01/51-42-21-001-001-A01/51-25-00-001-001-A01.