As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION LOCATED ON GALLEY SERVICE DOOR SURROUND LOWER STRUCTURE BETWEEN FS319-FS349 STRINGER 17R. REPLACED LOWER SERVICE DOOR SILL STRUCTURE P/N SH670-31996-3. INSTALLED RIVETS PER IAW CRJ 900 SRM 51-42-06-001-001-A01. INSTALLED FASTENERS IAW CRJ 900 SRM 51-42-06-001-001-A01.