As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CARGO DOOR SILL HAS CORROSION IN MULTIPLE PLACES. C-CHECK RO 12/24/2020. REMOVED AND REPLACED AFT CARGO DOOR SILL, IAW MHIRJ REO AND CRJ 700 SRM & SKY CARD NO WEIGHT CHANGE AND FORM M337 IS ATTACHED. REF ATTACHED CONTINUATION CARD FOR DETAILS OF WORK PERFORMED.