As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"INITIAL INSPECTION. CORROSION ON ANGLES (4EAS) AT SERVICE DOOR SORROUND STRUCTURE LOWER SILL (ON FITTINGS OF PROTECTOR PLATE). (SM)(CPAX)(TCI53-20-320) "ANGLES (4EAS) AT SERVICE DOOR SORROUND STRUCTURE LOWER SILL WERE REPLACED PER CRJ-900 S.R.M. 51-42-06-001-001-A01.