As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CARGO DOOR SURROUND STRUCTURE SILL CORRODED MULTIPLE AREAS, AS MARKED. C-CHECK RO 9/27/2020. EVALUATED CARGO DOOR SILL OUT OF LIMITS. REMOVED AND REPLACED CARGO DOOR LOWER SILL, REF CRJ700 SRM AND DWG. NO LEAKS NOTED. COMPLIED WITH TASK CARD.