What was found
*PASSENGER CABIN AT PASSENGER DOOR SURROUND STRUCTURE LOWER SILL ANGLE HAS CORROSION. (MARKED) (C-CHECK) RO 2/14/2020 REMOVED AND REPLACED COORODED LOWER SILL ANGLE WITH NEW PAX DOOR LOWER SILL (P/N SH670-31875-3) AND NEW ATTACHING ANGLES ON FWD AND AFT ENDS (P/N'S SH670-31821-3 AND SH670-31821-4) ONTO PAX DOOR SURROUND STRUCTURE USING NEW FASTENERS, REF BOMBARDIER DWG AND CRJ700 SRM.SEE CONTINUATION CARD FOR FURTHER DETAILS. COMPLIED WITH SKYCARD.