What was found
AFT CARGO DOOR CUTOUT SILL PLATE CORRODED FROM FS 1000.00 TO FS 1047.00. REMOVED & INSTALLED SERVICEABLE LOWER SILL AT THE AFT CARGO DOOR CUTOUT BETWEEN FS 1000-FS 1047.00, IAW CRJ 900 SRM 51-40-06-001-001-A01, 51-40-11-001-001-A01, 51-42-13-001-001-A01, 51-42-15-001-001-A01, 51-42- 21-001-001-A01.