As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STEP PLATE AT SERVICE DOOR. EVALUATED, DUE TO EXCESSIVE DAMAGE STEP PLATE DOOR COVER PER CRJ-900 SRM 53-00-01-101-001-A01 AND STEP PLATE AT SERVICE DOOR WAS VERIFIED ITEM30C P/N SH670-31407-7 AND REPLACED PER CRJ-900 AIPC 53-21-23-15