As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
*CORROSION AT SERVICE DOOR LOWER SILL (C-CHECK) RO 2/9/2021 REMOVED CORRODED SILL AND INSTALLED NEW SERVICE DOOR LOWER SILL PN 601R38303-253 REF CRJ200 SRM 51-42-21, SRM 51-42-13, SRM 51-42-36, SRM 51-42-06 BOMBARDIER DWG 601R38303 REV AR. COMPLIED WITH 51-900-1003-SKY