What was found
CORROSION ON AFT DOOR LOWER SILL FLANGE (C-CHECK RO 1/13/2022) REMOVED CORRODED AFT CARGO DOOR LOWER SILL AND REPLACED WITH NEW LOWER SILL AT FUSELAGE STATION FS985.00 UP TO FS1051.30 / PER CRJ700 SRM TASKS 53-61-23-001-001-A01, 53-61-23-101-001-A01, 53-61-23-201-001-A01,51-42-06-001-001-A01 AND 51-42-21-001-001-A01. PLEASE REFERENCE CONTINUATION CARD FOR REPAIR DISPOSITION AND CORRECTIVE ACTIONS. NO DEFECTED NOTICED. / NOTE: PLEASE REFERENCE CAMP# 23531501 FOR PRESSURIZATION LEAK CHECKS,PLEASE REFERENCE CONTINUATION CARD FOR DISPOSITION AND CORRECTIVE ACTION.