What was found
SERVICE DOOR LOWER SILL ANGLE CORRODED AT SEVERAL LOCATIONS. BLENDED DAMAGE. FOUND TO BE OUT OF LIMITS. REQUIRES REPLACEMENT IAW CRJ900 SRM 53-00-00-101-001-A01, 51-21-06-001-001-A01. REMOVED SERVICE. DOOR LOWER SILL, DOOR GUIDES AND SILL ANGLES IAW CRJ900 SRM 51-42-06-001-001-A01, 51-42-21-001-001-A01. LOCATED AND DRILLED AND INSTALLED NEW LOWER SILL IAW CRJ900 SRM 51-40-11-001-001-A01, 51-42-06-001-001-A01 AND 51-42-21-001-001-A01. REMOVED, LOCATED AND DRILLED AND INSTALLED NEW ANGLES IAW CRJ900 SRM 51-42-06-001-001-A01 AND 51-40-11-001-001-A01.